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

In two wattmeter method of power calculation of a 3-phase balanced star connected system, what is the power factor of the system if one of the wattmeter shows zero reading and the other shows a positive reading?

Rating of fuse wire is expressed in terms of ____.

Two incandescent lamps of wattage 40W, 60W are connected in series with voltage of 230 V. Which out of the two lamps will glow brighter?

100. A power electronic inverter is designed to convert:

Determine the value of reactive power (in VAR) of a circuit having power factor of 0.6, when the apparent power of the circuit is 120 VA.

An over-excited synchronous motor operates at a:

What will be the potential difference (in V) between the ends of a resistor of 10 ohms resistance, when the current through the resistor is 3.5 A?

What will be the value of Norton's current (in A) through load resistance Rₗ for the given electrical circuit?

It consists of 16 distinct symbols: the numbers 0-9 to represent values zero to nine, and the letters A-F to represent values ten to fifteen. 67. The direction of an electromagnetically induced current is given by:

The overall power factor of an On-load transformer ____.

What is the standard track gauge for broad gauge railway lines in India?

Damper windings are provided in a synchronous machine to:

In the two-wattmeter method of 3-phase power measurement, if the two wattmeters read equal and opposite values, the power factor of the load is:

Determine the temperature coefficient of resistance of a resistor at 0 degree Celsius, when the resistor has a resistance of 20 ohms at 0 degree Celsius and 40 ohms at 60 degree Celsius.

The ideal input impedance of an Operational Amplifier (Op-Amp) is:

If any two phases of a 3-phase induction motor supply are interchanged, the motor will:

String efficiency of a suspension insulator can be improved by:

The torque of a motor is..............

75. Which BJT amplifier configuration provides both voltage gain and current gain?

100

Determine the intensity of magnetization (in A/m) of a magnet when it has a pole strength of 60 A-m and a pole area of 20 sq. m.

Showing 81 – 100 of 423 MCQ Questions | Page 5 of 22

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