GATE Electrical Question Paper with Solution Pdf - 1

Question: 1

When an amplifier is provided with current shunt feedback its

(A) input and output impedance both decreases

(B) input and output impedance both increases

(C) input impedance increases and output impedance decreases

(D) input impedance decreases and output impedance increases

Question: 2

Which is the example of digital device from the given option?

(A) microprocessors

(B) thermistors

(C) record players

(D) sensors

Question: 3

Lap winding is preferred for which type of machines?

(A) low current and high voltage

(B) high current and low voltage

(C) low current and low voltage

(D) high current and high voltage

Question: 4

The magnetizing current drawn by transformers and induction motors is the cause of their power factor.

(A) leading

(B) unity

(C) zero

(D) lagging

Question: 5

The frequency at which the Nyquist plot crosses the negative real axis is known as

(A) phase crossover frequency

(B) gain crossover frequency

(C) damped natural frequency

(D) natural frequency