Tag: transformers
Questions Related to transformers
To step 120 V ac up to 900 V ac, the turns ratio must be
The primary winding of a power transformer should always be
State whether True or False :
State whether given statement is True or False
A transformer consists of two or more cores that are electrically coupled on a common core.
State whether given statement is True or False
An autotransformer is one in which the primary and secondary are automatically coupled.
In a transformer the number of turns in the primary coil is 200 and secondary coil is 600. The ratio between the electric current in the primary and secondary respectively is
In transformer, core is made of soft iron to reduce
The quantity that remains unchanged in the output with respect to the input in an ideal transformer is
Transformer works on.
A transformer is employed to