In a transformer the resistance between its primary and secondary is
In a transformer the resistance between its primary and secondary is
Right Answer is:
Infinite
SOLUTION
In a transformer, the primary and secondary windings are not electrically connected therefore the resistance between them is ideally infinite but an autotransformer does the same using a single coil as primary with one or more tap for secondary in different parts of the coil. In this case, the resistance will ideally be zero or a short circuit.