4. In an AC circuit having R and L in series :
(a) voltage leads current
(b) current leads voltage
(c) voltage and current are increase
(d) voltage and current are in opposite phase
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AC Circuits » Exercise - 19. In an AC series circuit, instantaneous voltage is maximum while instantaneous current is zero. The source is connected to : (a) pure inductor only (b) pure resistance only (c) pure capacitor only (d) (a) or (c)AC Fundamentals » Exercise - 1 24. In a pure capacitor, the voltage ________. (a) is in phase with the current (b) is out of phase with the current (c) lags behind the current by 900 (d) leads the current by 900AC Fundamentals » Exercise - 1 37. In a pure resistor, the voltage and current are ________. (a) out of phase (b) in phase (c) 900 out of phase (d) 450 out of phaseAC Fundamentals » Exercise - 1 31. The power consumed in a circuit element will be least when the phase difference between the current and voltage is ________. (a) 00 (b) 300 (c) 900 (d) 1800AC Fundamentals » Exercise - 1 28. The current in a pure inductor ________. (a) lags behind the voltage by 900 (b) leads the voltage by 900 (c) is in phase with the voltage (d) lags behind the voltage by 450