A. zero
B. infinite
C. finite
D. 100 ohms
✅ The correct answer is option A.
Electrical Engineering MCQs
A single stage transistor amplifier contains______________ and associated circuitry?
A. Two transistors
B. One transistor
C. Three transistor
D. None of the above
✅ The correct answer is option B.
An SCR has __________ pn junctions?
A. Two
B. Three
C. Four
D. None of the above
✅ The correct answer is option B.
If gate current is increased, then anode-cathode voltage at which SCR closes_________________?
A. Is decreased
B. Is increased
C. Remains the same
D. None of the above
✅ The correct answer is option A.
Transistor biasing is generally provided by a_______________?
A. Biasing circuit
B. Bias battery
C. Diode
D. None of the above
✅ The correct answer is option A.
The minimum dielectric stress in a cable is at_____________?
A. armour
B. bedding
C. conductor surface
D. lead sheath
✅ The correct answer is option D.
If firing angle in an SCR circuit is increased, the output _____________?
A. Remains the same
B. Is increased
C. Is decreased
D. None of the above
✅ The correct answer is option C.
In normal operation of an SCR, gate is _____________w.r.t. cathode?
A. Positive
B. Negative
C. At zero potential
D. None of the above
✅ The correct answer is option A.
Which of the following quantities consists of SI unit as WATT ?
A. Force
B. Charge
C. Current
D. Power
✅ The correct answer is option D.
We can control a.c. power in a load by connecting ______________?
A. Two SCRs in series
B. Two SCRs in parallel
C. Two SCRs in parallel opposition
D. None of the above
✅ The correct answer is option C.