A. Carbon
B. Sulphur
C. Silicon
D. Phosphorous
✅ The correct answer is option D.
Electrical Engineering MCQs
For proper amplification by a transistor circuit, the operating point should be located at the_____________ of the d.c. load line?
A. The end point
B. Middle
C. The maximum current point
D. None of the above
✅ The correct answer is option B.
A n-channel D-MOSFET with a positive VGS is operating in _______________?
A. the depletion-mode
B. the enhancement-mode
C. cut off
D. saturation
✅ The correct answer is option B.
A semiconductor has generally_______________valence electrons?
A. 2
B. 3
C. 6
D. 4
✅ The correct answer is option D.
A CE amplifier is also called _______________ circuit?
A. Grounded emitter
B. Grounded base
C. Grounded collector
D. None of the above
✅ The correct answer is option A.
Which of the following is most difficult to fabricate in an IC ?
A. Diode
B. Transistor
C. FET
D. Capacitor
✅ The correct answer is option D.
The fuel used in nuclear reactor is_____________?
A. radium
B. cadmium
C. uranium
D. all of the above
✅ The correct answer is option C.
If the full-scale deflection current of a multimeter is 50 µA, its sensitivity is ________________?
A. 10 kO/V
B. 100 kO/V
C. 50 kO/V
D. 20 kO/V
✅ The correct answer is option D.
E.m.f. of a Weston cell is accurately measured by________________?
A. electrostatic voltmeter
B. hot wire voltmeter
C. isothermal voltmeter
D. electrodynamic voltmeter
✅ The correct answer is option A.
The most accurate device for measuring voltage is ____________?
A. Voltmeter
B. Multimeter
C. CRO
D. VTVM
✅ The correct answer is option C.