Efficiency of a transformer is equal to
-
A.
Efficiency of transformer = (secondary coil ÷ primary coil) × 100% -
B.
Efficiency of transformer = (mechanical advantage ÷ velocity ratio) × 100% -
C.
Efficiency of a transformer = (Number of turns in the secondary coil ÷ Number of turns in the primary coil) × 100% -
D.
Efficiency of a transformer = (power developed in the secondary coil ÷ power supplied to the primary coil) × 100%
Correct Answer: Option D
Explanation
Efficiency of a transformer = (power developed in the secondary coil ÷ power supplied to the primary coil) × 100%
There is an explanation video available below.