Welcome students, In this post we are providing 200+ objectives questions of Fundamental of Electrical and Electronics Engineering subject. The MCQ is given chapter-wisely of FEEE. All objectives are very important and it will helps students to got 15+ marks out of 20 in SBTE diploma examination.
1. Which of the following is not a passive element?
2. A passive element
3. Resistor is a
4. Resistance is measured in
5. Unit of inductance is
6. Unit of capacitance is
7. Two resistors of 4 Ω each are connected in series. What will be the total equivalent resistance?
8. Two resistors of 4 Ω each are connected in parallel. What will be the total equivalent resistance?
9. Two resistors of 3 Ω & 6 Ω are connected in series. What will be the total equivalent resistance?
10. Two resistors of 3 Ω & 6 Ω are connected in parallel. What will be the total equivalent resistance?
11. A capacitor stores
12. An inductor stores
13. Current in a capacitor is proportional to
14. Voltage in an inductor is proportional to
15. A capacitor differentiates
16. A capacitor integrates
17. An inductor differentiates
18. An inductor integrates
19. Capacitance of a capacitor is
20. Inductance of an inductor is
21. The main use of pn junction diode is as
22. The main use of zener diode is as
23. A pn junction diode conducts under
24. In forward bias of a diode
25. The majority carriers in p- side of a pn junction diode are
26. The majority carriers in n- side of a pn junction diode are
27. BJT are of
28. BJT has
29. A BJT can be used as
30. The arrow mark in symbol of BJT is given on
31. The arrow mark in symbol of NPN BJT isThe arrow mark in symbol of NPN BJT is
32. The arrow mark in symbol of PNP BJT is
33. In a BJT the current flows due to
34. “Bipolar” in BJT means
35. FET is a
36. FET can be
37. The terminals of FET are
38. A FET is
39. In a MOSFET, oxide layer is used to isolate ….. terminal
40. A MOSFET can be
41. CMOS is made of
42. A DC signal voltage
43. An AC signal voltage ….. with respect to time.
44. The time period of periodic signal is
45. The time period of aperiodic signal is
46. An ideal voltage source has internal resistance
47. A non-ideal voltage source has internal resistance
48. An ideal voltage source provides constant
49. An ideal current source has internal resistance
50. A non-ideal current source has internal resistance
51. An ideal current source provides constant
52. Battery is an example of
53. Which is/are examples of independent voltage sources?
54. Op-amp is a/an
55. Op-amp is a
56. Op-amp IC 741 has
57. Op-amp power supply is
58. Voltage gain of ideal Op-amp is
59. Voltage gain of practical Op-amp is
60. Voltage gain of Op-amp 741 is
61. Input resistance of ideal Op-amp is
62. Input resistance of practical Op-amp is
63. Bandwidth of ideal Op-amp is
64. Bandwidth of practical Op-amp is
65. CMRR of ideal Op-amp is
66. CMRR of practical Op-amp is
67. Output resistance of ideal Op-amp is
68. Output resistance of practical Op-amp is
69. Slew rate of ideal Op-amp is
70. Op-amp uses
71. Virtual ground of Op-amp means
72. Slew rate is defined as
73. Op-amp is used in
74. Op-amp is mostly used in
76. Op-amp without feedback is called
77. Op-amp with feedback is called
78. Op-amp integrator uses
79. Op-amp differentiator uses
80. Gain of inverting amplifier is given by
81. Gain of non-inverting amplifier is given by
82. For a inverting amplifier, Ri=1kΩ, Rf=2kΩ, Vi=2.5 V, then Vo will be
83. For a non-inverting amplifier, Ri=1kΩ, Rf=2kΩ, Vi=2.5 V, then Vo will be
84. Input signal of an integrator is square wave, the output will be
85. Input signal of a differentiator is square wave, the output will be
86. Input signal of an integrator is step signal, the output will be
87. Input signal of a differentiator is ramp signal, the output will be
88. An air gap is usually inserted in a magnetic circuits to
89. Permeability in a magnetic circuit corresponds to .......in an electric circuit
90. In a magnetic material hysteresis loss takes place primarily due to
91. The property of a material which opposes the creation of magnetic flux in it is known as
92. The area of his hysteresis loss is a measure of
93. In order to minimise hysteresis loss, the magnetic material should have
94. The unit of magnetic flux is
95. The unit of reluctance is
96. Reciprocal of reluctance is
97. Conductivity is analogous to
98. Conductance is analogous to
99. While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit?
100. The unit of retentivity is
101. Magnetic field is ........ Quantity.
102. The B-H curve will be a straight line of
103. 1 Tesla =?
104. The SI unit of reluctance is
105. The unit of relative permeability is
106. The permeability of vacuum is
107. Relative permeability is given by
108. Which of the following statement is valid?
109. Which of the following is found using Lenz’s law?
110. The law which states that the direction of induced current in a circuit is such that it opposes the cause or the change which produces it is
111. Which among the following is true about Faraday’s law of Induction?
112. What is proportional to the magnitude of the induced emf in the circuit?
113. Faraday’s laws are result of the conservation of which quantity?
114. Direction of induced emf is determined by _________.
115. According to Faraday’s laws of electromagnetic induction, an emf is induced in a conductor whenever?
116. According to Fleming’s right hand rule, the thumb points towards?
117. According to Fleming’s right hand rule, the index finger points towards?
118. According to Fleming’s right hand rule, the index finger points towards?
119. A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is
120. If a sine wave goes through 10 cycles in 20 μs, the period is
121. How many degrees are there in π/3 rad?
122. If the peak of a sine wave is 13 V, the peak-to-peak value is
123. The average value of a 12 V peak sine wave over one complete cycle is
124. A signal with a 400 μs period has a frequency of
125. The average half-cycle value of a sine wave with a 40 V peak is
126. In general in an alternating current circuit
127. Alternating currents can be produced by a
128. An A.C. source is connected to a resistive circuit. Which of the following is true?
129. In which of the following circuits the maximum power dissipation is observed?
130. With increase in frequency of an A.C. supply, the inductive reactance
131. If the frequency of an A.C. is made 4 times of its initial value, the inductive reactance will
132. A capacitor acts as an infinite resistance for
133. Of the following about capacitive reactance which is correct?
134. Phase difference between voltage and current in a capacitor in an ac circuit is
135. A capacitor has capacitance C and reactance X, if capacitance and frequency become double, then reactance will be
136. In series RLC circuit if resistance increases quality factor
137. In series RLC circuit, the reactance of the .......... with increasing frequency.
138. With increase in frequency of an A.C. supply, the impedance of an RLC series circuit
139. If an RLC series circuit is connected to an ac source, then at resonance the voltage across
140. In an RLC series a.c. circuit, the current
141. An RLC series circuit is at resonance. Then the voltage across
142. At resonance frequency the impedance in series RLC circuit is
143. At resonant frequency the current amplitude in series RLC circuit is
144. The power factor in a circuit connected to A.C. is
145. Power factor is one for
146. Power factor of the A. C. circuit varies between
147. The graph between inductive reactance and frequency is
148. For minimum dissipation of energy in the circuit the power factor should be
149. The correct formula to determine the Q factor of series resonance circuit is
150. For a sine wave with peak value Emax the average value
151. For a sine wave with peak value Imax the r.m.s. value
152. Form factor for a sine wave is
153. The form factor is the ratio of
154. The period of a wave is
155. For delta-connected circuit the correct relationship is
156. Power factor of an inductive circuit is usually improved by adding a capacitor to it in
157. The power factor of an AC circuit is equal to
158. The power factor of an AC circuit lies between
159. A circuit component that oppose the change in the circuit voltage is
160. In a circuit containing R, L and C, power loss can take place in
161. In any AC circuit always
162. A parallel AC circuit in resonance will
163. The frequency of an alternating current is
164. The unit of frequency is
165. When an alternating current passes through an ohmic resistance the electrical power converted into HEAT is
166. In an AC circuit ( sine wave ) with R and L in series
167. In AC circuit the power curve is a sine wave having
168. The power factor of practical inductor is
169. Unit of reactive power is
170. Real part of admittance is ...... and the imaginary part is .....
171. Capacitive Susceptance is a measure of
172. Unit of inductive reactance is
173. The r.m.s. value of a sine wave is 100 A. Its peak value is
174. Which of the following will not be affected due to change in R ?
175. Change in circuit voltage will affect
176. A current is said to be direct current when its
177. In a pure inductive circuit
178. In a purely inductive circuit
179. The inductance of a coil can be increased by
180. In a purely inductive circuit if the supply frequency is reduced to 1/2, the current will
181. In a highly capacitive circuit
182. In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will
183. Capacitive reactance is more when
184. In a purely resistive, the average power Pav is ........the peak power Pmax
185. In a pure resistive circuit
186. For a purely resistive circuit the following statement is in correct
187. The power factor at resonance in R-L-C parallel circuit is
188. Magnitude of current at resonance in R-L-C circuit
189. The quality factor of R-L-C circuit will increase if
190. In a series R-L-C circuit at resonance
191. The dynamic impedance of an R-L and C parallel circuit at resonance is .....ohm.
192. The dynamic impedance of an R-L and C parallel circuit at resonance is .....ohm.
193. A series R-L-C circuit will have unity power factor if operated at a frequency of
194. In a series R-L-C circuit at resonance, the magnitude of voltage developed across the capacitor
195. When a sinusoidal voltage is applied across R-L series circuit having R = XL, the phase angle will be
196. In a series of resonant circuit, with an increase in L
197. In a series resonant circuit with the increase in the value of C
198. A resonance curve for a series circuit is a plot of frequency versus
199. Higher the Q of a series circuit
200. A high Q coil has
201. When Q-factor of a circuit is high, then
202. Higher the Q of a series circuit, narrower its
203. Transformer works on the principle of
204. Transformer core is generally made of _________.
205. The purpose of the transformer core is to provide __________.
206. Transformer ratings are given in ____________.
207. Which type of flux does transformer action need?
208. For a transformer with primary turns 400, secondary turns 100, if 20A current is flowing through primary, we will get __________.
209. Which of the following is the main advantage of an auto-transformer over a two-winding transformer?
210. For a transformer with primary turns 100, secondary turns 400, if 200 V is applied at primary we will get ........
211. Transformer core is designed to reduce ____________.
212. Transformers windings are generally made of ________.
213. Function of transformer is to ____________.
214. Transformer core is constructed for ___________.
215. Transformer operating at 25-400 Hz frequency contain core made of ___________.
216. There is only one magnetic flux path in the circuit. The transformer is definitely ____________.
217. Core type transformer is with _____________.
218. What is the purpose of providing an iron core in a transformer?
219. What is the thickness of laminations used in a transformer?
220. Primary winding of a transformer __________.
221. Which winding has more number of turns?
222. Part of the transformer which undergoes most damage from overheating is _______.
223. If secondary number of turns are higher then, transformer is called ________.
224. If primary number of turns are higher then, transformer is called _________.
225. If a transformer is having equal number of turns at primary and secondary then transformer is called as _________.
226. A transformer cannot work on the DC supply because ____________.
227. In a transformer the resistance between its primary and secondary is ___________.
228. Identify the correct statement relating to the ideal transformer.
229. Ideal transformer core has permeability equal to _____.
230. Turns ratio of the transformer is directly proportional to __________.
231. Which of the following statement is correct regarding turns ratio?
232. Which of the following is the wrong expression?
233. Power transformed in the ideal transformer with turns ratio a is _______.
234. If turns ratio is “a”, the impedance of secondary with respect to primary will be
235. Who discovered the magnetic effect of electric current?
236. What is the working principle of DC motor?
237. Who invented AC motor?
238. Electric motor is a device which converts
239. Electric motor works on the principle of
240. The magnet used for construction of electric motor
241. The direction of current in dc motor is reversed by
242. Electric motor can be used in
