GATE EE 2021 | GATE EE Year Wise Previous Years Questions

GATE EE 2021

Numerical

-0

An air-core radio-frequency transformer as shown has a primary winding and a secondary winding. The mutual inductance $M$ between the windings of the transformer is $\_\_\_\_$ $\mu \mathrm{H}$. (Round off to 2 decimal places) GATE EE 2021 Electric Circuits - Network Elements Question 5 English

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GATE EE 2021

MCQ (Single Correct Answer)

-0.33

Inductance is measured by,

Schering bridge

Maxwell bridge

Kelvin bridge

Wien bridge

GATE EE 2021

MCQ (Single Correct Answer)

-0.67

In a single phase transformer, the total iron loss is 2500 W at nominal voltage of 440 V and frequency 50 Hz . The total iron loss is 850 W at 220 V and 25 Hz . Then, at nominal voltage and frequency, the hysteresis loss and eddy current loss respectively are

1600 W and 900 W

900 W and 1600 W

250 W and 600 W

600 W and 250 W

GATE EE 2021

MCQ (Single Correct Answer)

-0.33

$$ \text { Consider the table given : } $$

Constructional feature	Machine type	Mitigation
P. Damper bars	S. Induction motor	X. Hunting
Q. Skewed rotor slots	T. Transformer	Y. Magnetic locking
R. Compensating winding	U. Synchronous machine	Z. Armature reaction
	V. DC machine

The correct combination that relates the constructional feature, machine type and mitigation is

P-V-X, Q-U-Z, R-T-Y

P-U-X, Q-S-Y, R-V-Z

P-T-Y, Q-V-Z, R-S-X

P-U-X, Q-V-Y, R-T-Z

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