Question

If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is _____________.

a) 2.5 W
b) 25 W
c) 250 W
d) 2500 W

Answer 1

The power delivered to the secondary load of an ideal transformer with a turns ratio of 10 and an input power of 25 W would still be 25 W, due to the principle of conservation of energy and the assumption of 100% efficiency in an ideal transformer.

Step-by-step explanation:

If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 25 W. This is because, in an ideal transformer, the power in the primary coil (Pp) is equal to the power in the secondary coil (Ps), assuming 100% efficiency. Remember, power is the product of voltage and current, and for an ideal transformer, the power input is always equal to the power output (Pp = Ps), irrespective of the turns ratio.