The velocity of a travelling electromagnetic wave in free space is given by 
(A) μ0 ε0
(B)√( μ0 ε0)
(C) 1/√( μ0 ε0)
(D) μ0 ε0
Answer - - C

A zero to 300 v voltmeter has a guaranteed accuracy of 1% full scale reading. The voltage measured by the instrument is 83V. The percent limiting error is:
(A) 0.95
(B) 1.81
(C) 3.62
(D) 4.85
Answer - - C

In a moving coil meters, damping is provided by
 (A) Eddy current disk
(B) The aluminum fram of te coil
(C) Damping in the air tight chamber
(D) The coiled spring attached to the moving mechanism
Answer - - B

A synchronous motor is essentially a motor with
 (A) Constant speed
(B) Leading power factor
(C) Unity power factor
(D) Lagging power factor
Answer - - A

The unique advantages of a hydropower plant are that it
(A) Burns no fuel
(B) Produces no pollution
(C) Is located in hills
(D) Both A and B
Answer - - D
The conductance of an electrical circuit is similar to the given in a magnetic circuit
(A) Flux
(B) Reluctance
(C) Permeance
(D) Relative permeability
Answer - - C

 With the introduction of capacity of a capacitor
 (A) Increases
(B) Decreases
(C) Does not change
(D) None of the above
Answer - - A

To increase the range of an ammeter
(A) A low resistance is connected in series with ammeter
(B) A low resistance connected in shunt with ammeter
(C) A high resistance connected in series with  ammeter
(D) None of the above
Answer - - B

If the effect of ground is taken into account, then the capacitance of line to ground:
(A) decreases
(B) Increases
(C) remain unchanged
(D) becomes infinite

Answer - - A

The DC shunt motor. operating under unsaturated region develops the maximum mechanical power when the armature current is such that the motor back emf (E) and the applied voltage (V) to the motor terminal are related as:
(A) E=V
(B) E=V/2
(C) E= V/3
(D) E=V/4

Answer - -B

The unit of flux density is:
(A) Tesla
(B) A/mm
(C) N/m2
(D) Wb/m

Answer - - A

If a DC voltmeter is made from an ammeter having a full scale deflection of 100 uA, then its sensitivity (in KΩ /V) will be:
(A) 1
(B) 10
(C) 100
(D) 1000

Answer - - B

The impedance of a high Q inductor can be measured using:

(A) Schering bridge

(B) Wien Bridge

(C) Maxwell bridge 

(D) Hay bridge

Answer - - D

The time taken for a range to travel a 600 km long overhead transmission line is: 

(A) 6s

(B) 1s

(C) 0.02 s

(D) 0.002 s

Answer - - D

A star/delta starter of a 3 phase induction motor is equivalent to an autotransformer starter having a tapping of:

(A) √3/2

(B) 1/2

(C) 1/√3

(D) √3

Answer - - C

The amplifier has a voltage gain of 100. To induce distortion, 10% negative is employed. The gain of the amplifier with feedback is: 

(A) 1.01

(B) 9.09

(C) 90.9

(D) 101

Answer - -  C