The errors in current transformers can be reduced by designing them with :

(a) high permeability and low loss core materials, avoiding any joints in the core and also keeping the flux density to a low value
(b) using primary and secondary windings as close to each other as possible
(c) using large cross-section for both primary and secondary winding conductors
(d) All of these

Anurag Mishra Professor Asked on 1st February 2016 in Physics.
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    Answer: (d) All of these 

    Anurag Mishra Professor Answered on 21st May 2016.
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