Physics guru Niranjan Sir

The phase difference between the alternating current and emf is TE/2. Which ofthe following cannot be the constituent of the circuit?
(a) C alone
(b) L alone
(c) L and C
(d) R and L

Answer/Explanation
Answer: c
Explaination:
(c) When both L and C components are there then phase difference could be zero, less than or greater than π2.

The phase difference between the alternating current and emf is TE/2. Which ofthe following cannot be the constituent of the circuit?
(a) C alone
(b) L alone
(c) L and C
(d) R and L