ESE 2022 EE Technical Quiz 12

Which amplifier is used in an electronic amplifier?

An inductance having and a capacitance having are connected in parallel across a supply. The current drawn from the supply is?

Choose the correct statement related to resistance switching:

1. The restriking voltage reduces due to resistance switching.

2. The current chopping increase due to resistance switching.

The open loop transfer function of a unity feedback system is given by . The gain margin for is

For the ideal op-amp circuit, the voltage gain  is _____

The 8V Zener diode shown below has a knee current of 8mA . The minimum value of R so that the voltage across it does not fall below 8V is ____Ω.

Synchronous speed in rad/sec for 6-pole, 50 Hz three phase induction motor is _________.

A N-bit register is constructed using D-flip-flops. Match the following List-I with List-II

List-I

A) Parallel in parallel out

B) Serial in serial out

C) Parallel in serial out

D) Serial in parallel out

List-II

(i) (2N-1) clock pulses

(ii) One clock pulses

(iii) N clock pulses

(iv) (N–1) clock pulses

The field current of an under excited synchronous motor is increased while its load is constant. How will its power angle and power factor will change?

A 5-bit DAC produces for the digital input of 00010. If the value of, the corresponding digital input will be