⚡Electrical Engineering MCQs
Electrical Engineering MCQs
499 MCQs411
On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?
A1 V
B50 V
C500 V
D1,000 V
412
The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)___________?
A6.8 kΩ
B2.2 kΩ
C6.8 kΩ and 10 kΩ
D2.2 kΩ and 1 kΩ
413
The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of____________?
A470 Ω or 1.2 kΩ
B3 kΩ
C470 Ω
D1.2 kΩ
414
A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is____________?
A680 Ω
B1,029 Ω
C200 Ω
D880 Ω
415
In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is___________?
AIndeterminable
B2 kΩ
C10 kΩ
D20 kΩ
416
Which of the following uses electric energy and does not convert it into any other form ?
Atransformer
Bmotor
CD.C generator
DA.C generator
417
Inductors acts as a short circuit for_______________?
AAC
BDC
CBoth A and B
Dnone of these
418
If the coil is wound on an iron core the flux through it will_______________?
Adecrease
Bbecome zero
Cremain the same
Dincrease
419
Which of the following works on torque on the current carrying conductor placed in magnetic field ?
Agalvanometer
Bammeter
Cvoltmeter
Dall of the above
420
A device able to supply electrical energy is a __________?
Anonconductor
Bbattery
Cconductor
Dmicrowave