A circuit connected to an ac source of emf e=e0sin(100t) with t in seconds, gives a phase difference of π/4 between the emf e and current i. Which of the following circuits will exhibit this?
A. RC circuit with R=1kΩ and C = 1μF=1Ω and C = 1F
B. RL circuit with R=1kΩ and L = 1mH=1Ω and L = 1mH
C. RL circuit with R=1kΩ and L = 10mH=1Ω and L = 10mH
D. RC circuit with R=1kΩ and C = 10μF