A. Series current
B. Zener current
C. Load current
D. None of the above
✅ The correct answer is option A.
Electrical Engineering MCQs
__________ has a low relative permeability and is used principally in field frames when cost is of primary importance and extra weight is not objectionable?
A. Cast steel
B. Aluminium
C. Soft steel
D. Cast iron
✅ The correct answer is option D.
The leakage current in a pn junction is of the order of________________?
A. Aa
B. mA
C. kA
D. µA
✅ The correct answer is option D.
A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately___________?
A. 14 mA
B. 1.4 mA
C. 5 mA
D. 50 mA
✅ The correct answer is option B.
Which of the following essential features is possessed by an indicating instrument?
A. Deflecting device
B. Controlling device
C. Damping device
D. All of the above
✅ The correct answer is option D.
When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on_________________?
A. Junction capacitance
B. Minority carriers
C. Majority carriers
D. None of the above
✅ The correct answer is option B.
In an unregulated power supply, if load current increases, the output voltage _____________?
A. Remains the same
B. Decreases
C. Increases
D. None of the above
✅ The correct answer is option B.
For crane travel which of the following motors is normally used ?
A. Synchronous motor
B. D.C. differentially compound motor
C. Ward-Leonard controlled D.C. shunt motor
D. AC. slip ring motor
✅ The correct answer is option D.
Which of the following generating station has minimum running cost?
A. Nuclear
B. Hydro
C. Thermal
D. Diesel
✅ The correct answer is option B.
A transistor takes_____________ inductor on a silicon IC chip?
A. Less space than
B. More space than
C. Same space as
D. None of the above
✅ The correct answer is option A.