D. Steps up or down AC Voltages & Current.

C. Steps up or down DC Voltages & Current.

D. Steps up or down AC Voltages & Current.

The direction of motion of the conductor, according to Fleming's right and rule is indicated by — Electrical Engineering MCQ

D. both fore finger and middle finger

Which of the following losses is together called iron losses? — Electrical Engineering MCQ

A. Eddy current loss and hysteresis loss

B. Eddy current loss and frictional loss

C. Hysteresis loss and copper loss

D. Hysteresis loss and frictional loss

Therefore, the active power consumed is zero. The circuit only consumes and returns reactive power. 15. The primary and secondary windings of an Auto transformer are : — Electrical Engineering MCQ

C. Both magnetically and electrically coupled

In repulsion motor direction of rotation of motor — Electrical Engineering MCQ

B. is the same as that of brush shift

A. is opposite to that of brush shift

C. is independent of brush shift

If the capacitor of a single-phase motor is short-circuited — Electrical Engineering MCQ

C. the motor will run in reverse direction

D. the motor will run in the same direction at reduced r.p.m.

For the transmission of same power — Electrical Engineering MCQ

B. AC line requires more copper than a DC line

A. DC line requires more copper than an AC line

C. Both AC as well as DC line need same copper

The phenomenon of Corona in overhead transmission lines is accompanied by: — Electrical Engineering MCQ

C. Power loss and radio interference

The transfer function of a system is defined as the ratio of Laplace transform of output to Laplace transform of input assuming: — Electrical Engineering MCQ

B. Initial conditions are infinite

C. Initial conditions are equal to 1

If the synchronous motor, properly synchronized to the supply is running on no load and is having negligible loss then — Electrical Engineering MCQ

B. the stator current will be zero

A. the stator current will be very small

C. the stator current will be very high

D. the back e.m.f. will be more than the supply voltage

The function of the choke coil in a standard fluorescent tube light circuit is to: — Electrical Engineering MCQ

A. Provide a high starting voltage kick and limit the running current

B. Improve the power factor of the circuit

C. Eliminate radio interference

D. Convert AC supply to DC supply

Top Electrical Engg MCQ - 500+ MCQ

301

The capacity or rating of an alternator is usually expressed in:

302

A generating voltmeter uses

303

A domestic mixer uses the following motor

304

The Quality factor (Q-factor) of a series RLC resonant circuit is given by:

305

What will be the intensity of magnetization (in A/m) of a magnet, when the pole strength of the magnet is 50 A-m and the pole area of the magnet is 0.5 sq. m?

306

No-load test on induction motor is conducted to find which of the following losses?

307

Determine the quality factor for Maxwell's Inductance-capacitance bridge given below when the bridge is supplied by a frequency of 60 Hz.

308

Which one of the following statement is TRUE about the Ohm's law?

309

The efficiency of the class B amplifier is approximately:

310

A DC shunt generator is

311

The thickness of insulation provided on a power cable primarily depends on the:

312

A schrage motor can run on

313

A circuit having power factor of 0.8 consumes 20 W. What is the value of reactive power (in VAR) of the circuit?

314

In case of stair case wiring which type of switch is used?

315

The internal inductance of a long cylindrical conductor of radius r carrying a sinusoidal current of I rms value is given as:

316

The emf induced in a conductor rotating in a bipolar field is

317

A Transformer

318

In a DC series generator, the terminal voltage with increase in load will

319

Unlike a standard SCR, a Gate Turn-Off (GTO) thyristor has the unique ability to be turned off by:

320

What is the form factor of a square wave?

Showing 301 – 320 of 423 MCQ Questions | Page 16 of 22

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