Question

what quantity remain same in transformer A. voltage B. current C. power D. inductance​

Answer 1

Answer:

c. power

Explanation:

A transformer changes Voltages and current but the power remains constant but that is case only for ideal transformer, in general there is loss in power in form of heat , sound , vibrations, eddy currents , etc . Only the frequency remains constant.

Answer 2

The Answer is Option:- (C) Power

As we know that in transformer power Remain constant .

As the Increasing and decreasing of voltage and current depends upon the turns ratio of the transformer that is why Power remain constant

A transformer cannot generate power from thin air and so the power on both sides is roughly the same. That means if the voltage on the secondary side is higher

then

the secondary current is actually lower than the primary.

So, The Answer is Option:- (C) Power