Question
Question: A choke coil is preferred to a rheostat in ac circuit as...
A choke coil is preferred to a rheostat in ac circuit as
A
It consumes almost zero power
B
It increases current
C
It increases power
D
It increases voltage
Answer
It consumes almost zero power
Explanation
Solution
A choke coil contains high inductance but negligible resistance, due to which power loss becomes appreciably small.