Question

The core of a transformer is laminated because 

(a) ratio of voltage in primary and secondary may be increased 

(b) energy losses due to eddy currents may be minimised 

(c) the weight of the transformer may be reduced 

(d) rusting of the core may be prevented.

Answer 1

Correct option  (b) energy losses due to eddy currents may be minimised 

Explanation:

The core of a transformer is laminated to minimise the energy losses due to eddy currents.