Time Left - 15:00 mins

AFCAT-EKT EE: Mock Test 1

Attempt now to get your rank among 634 students!

Question 1

A transformer takes a current of and absorbs when the primary is connected to its normal supply of the secondary being on open-circuit. What is the magnetising current?

Question 2

Fermi energy level for p-type extrinsic semiconductors lies __________.

Question 3

The best type of meter movement is …………………. movement.

Question 4

What is the octal equivalent of (5621.125)10?

Question 5

Two coils of self inductances 150 mH and 250 mH and mutual inductance 120 mH are connected in parallel aiding. The total inductance is

Question 6

The condition for the marginal stable system as per Routh array is the value of K will be
    

Question 7

When a load of is connected across a 20 mA current source, it is found that only 18 mA flows in the load. What is the internal resistance of the source?

Question 8

A single-phase transformer has a primary resistance and inductive reactance of and respectively. The secondary values are and respectively. What is the impedance of the transformer referred to the secondary side?

Question 9

The instantaneous power of a balanced three-phase load is when phase R is at its peak voltage. What will the instantaneous power be at 30o later?

Question 10

In phase modulation, phase deviation is proportional to

Question 11

An under-excited synchronous motor behaves as …………….

Question 12

A 50 Hz, 11 kV, 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase and is connected to a bus-bar through a circuit breaker. The distributed capacitance upto circuit breaker between phase and neutral is 0.01, the frequency of oscillations is

Question 13

The minority of carrier concentration is largely a function of ___________.

Question 14

In the given question, what is the shorted terminal current in the equivalent current source?

Question 15

A four-stage amplifier has voltage gains ,, and , fifth stage is added and the overall voltage gain becomes .The voltage gain of the fifth stage is
  • 634 attempts
  • 6 upvotes
  • 12 comments
Feb 21ESE & GATE EE