Voltage and current in an AC circuit are given by- V- 50 sin -100-t - -6- and -i- 2 sin -100-t - -6- Then-1- Voltage leads current by 30-2- Voltage lags current by 30-3- Current leads voltage by 60- -4- Voltage leads current by 60-

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Inductive Reactance

Voltage and c...

Question

Voltage and current in an AC circuit are given by: V= 50 sin (100πt + π/6) and i= 2 sin (100πt - π/6). Then- (1) Voltage leads current by 30° (2) Voltage lags current by 30° (3) Current leads voltage by 60° (4) Voltage leads current by 60°

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V = 5 s i n (100 π t - \frac{π}{6})

I = 4 s i n (100 π t + \frac{π}{6})

\frac{π}{3}

π

100 Ω

60^{\circ}

60^{\circ}

List-I	List- II
(a) Phase difference between current and voltage in a purely resistive AC circuit	(i) π/2; current leads voltage
(b) Phase difference between current and voltage in a pure inductive AC circuit	(ii) zero
(c) Phase difference between current and voltage in a pure capacitive AC circuit	(iii) π/2; current lags voltage
(d) Phase difference between current and voltage in an LCR series circuit	(iv) ${tan}^{- 1} (\frac{X_{C} - X_{L}}{R})$

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