Search
.Management Sciences
Category: Electrical Engineering Mcqs
The tail current of a differential amplifier is_______________?
A. half of either collector current
B. equal to either collector current
C. two times either collector current
D. equal to the difference in base currents
Choose the incorrect statement: A branch formed by the parallel connection………
A. A branch formed by the parallel connection of any resistor R and open circuit has the characteristic of an open circuit.
B. A branch formed by the parallel connection of any resistor R and a short circuit has the characteristic of a short circuit.
C. A branch formed by the series connection of any resistor R and an open circuit has the characteristic of an open circuit.
D. A branch formed by the series connection of any resistor R and a short circuit has the characteristic of resistor R.
Which of the following works on torque on the current carrying conductor placed in magnetic field ?
A. galvanometer
B. ammeter
C. voltmeter
D. all of the above
The maximum load that a power transformer can carry is limited by its________________?
A. temperature rise
B. dielectric strength of oil
C. voltage ratio
D. copper loss
An ideal OP-AMP is an ideal___________?
A. Current controlled Current source
B. Current controlled voltage source
C. Voltage controlled voltage source
D. voltage controlled current source
In BJT, switching losses occurs___________?
A. Only at turn – on
B. Only at turn – off
C. Both at turn on and off
D. None of these
Conductance : mho :: ____________?
A. resistance : ohm
B. capacitance : henry
C. inductance : farad
D. lumen : steradian
Recent Comments