Basic Electrical MCQ set 1

Basic Electrical MCQ set 1

Transformers

1. A transformer works on the principle of

A. Faraday's law of electrolysis

B. Mutual induction between two inductively coupled circuits..

C. Self induction of coils

D. Conduction of current between primary and secondary

2. When a DC supply is given at primary of an unloaded transformer

A. Primary will carry heavy current and may possibly burn..

B. Secondary will carry heavy current

C. We will get high voltage on secondary side

D. We will get a A.C voltage on the secondary side according to run ratio

3. Buchholz relay is used in

A. line protection

B. Motor protection

C. Generator Protection

D. Transformer protection..

4. The temperay