Electro Magnetic Induction And Alternating Currents Question 2
Question: Current in the circuit is wattless, if
Options:
A) Inductance in the circuit is zero
B) Resistance in the circuit is zero
C) Current is alternating
D) Resistance and inductance both are zero
Show Answer
Answer:
Correct Answer: B
Solution:
Because power $ =i^{2}R, $ if R = 0, then P = 0.
