A circuit connected to an ac source of emf e = e0 sin (100t) with t in seconds, gives a phase difference of \(\frac{\pi }{4}\) between the emf e and current i. Which of the following circuits will exhibit this?
1
RL circuit with R = 1 kΩ and L = 10 mH
2
RL circuit with R = 1 kΩ and L = 1 mH
3
RC circuit with R = 1 kΩ and C = 1 μF
4
RC circuit with R = 1 kΩ and C = 10 μF