Alternating CurrentHard
Question
In a purely resistive AC circuit, the current
Options
A.Lags behind the EMF in phase
B.Is in phase with the EMF
C.Leads the EMF in phase
D.Leads the EMF in half the cycle and lags behind it in the other half.
Solution
(B) E.M.F. and current are in same phase in purely resistive circuit.
Create a free account to view solution
View Solution FreeMore Alternating Current Questions
The r.m.s. value of current for a variable current i = i1 cos ωt + i2 sin ωt :-...An AC voltage of V = 220√2 sin is applied across a DC voltmeter, its reading will be:...The rms value of the emf given by ε = 8 Sin ωt + 6 sin 2 ωt volt is :-...An AC ammeter is used to measure current in a circuit. When a given direct constant current passes through the circuit, ...Impedance of the following circuit will be :...