The thickness of a 50 Hz transformer lamination is 

(A) 0.35 mm 

(B) 0.30 cm 

(C) 0.35 cm 

(D) 0.33 m 

The rating of transformer may be expressed in 

(A) kW 

(B) KVA 

(C) Horse power 

(D) KVAR 

The voltage regulation of a transformer at full-load 0.8 power factor lag is 6 per cent. Its voltage regulation at full-load 0.8 power factor lead will be 

(A) Zero 

(B) Positive 

(C) 54% 

(D) Negative

Which of the following is not a unit of conductance?

(A) mho 

(B) Siemens 

(C) Volt/ampere 

(D) Ampere/volt

Three capacitors, each of C microfarad are first connected in series and then in parallel. The equivalent capacitance

(A) Is greater in the series combination 

(B) Is greater in the parallel combination 

(C) Is the same in the two combination 

(D) None of these

Faradays- second law the induced EMF is 

(a) Dynamically Induced EMF 

(b) Statically Induced EMF 

(c) Eddy EMF 

(d) None of these

For maximum transfer of power, internal resistance of the source should be: 

(A) Equal to load resistance 

(B) Less than that of the load 

(C) More than that of the load 

(D) Zero

Which of the following energy can be easily transformed from one form to another form of energy?

(A) Electrical Energy 

(B) Fusion energy 

(C) Magnetic energy 

(D) Mechanical energy

The rating of fuse wire is expressed in terms of 

(A) Ohms 

(B) Mhos 

(C) Amperes 

(D) Watts.

Which of the elements in the following is not bilateral? 

(A) Resistor 

(B) Inductor 

(C) Capacitor 

(D) Transistor