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A capacitor, resistor and inductor are connected in series with an ac source. At a certain…
A $2\ \mu\text{F}$ capacitor, $100\ \Omega$ resistor and $8\text{ H}$ inductor are connected in series with an ac source. At a certain frequency of about 40 Hz for this ac source, the current drawn in the circuit is maximum. If the peak value of e.m.f. of the source is 200V:
(i)[1.0]
What is the peak value of current in the circuit?
- (a)$1.4\text{ A}$
- (b)$2.2\text{ A}$
- (c)$2.0\text{ A}$
- (d)$1.8\text{ A}$
(ii)[1.0]
What is the phase relation between voltages across inductor and resistor?
- (a)$\pi/2\text{ radian}$
- (b)$\pi/3\text{ radian}$
- (c)$\pi/4\text{ radian}$
- (d)$\pi\text{ radian}$
(iii)[1.0]
What is the phase difference between voltages across inductor and capacitor?
- (a)$\pi/2\text{ radian}$
- (b)$\pi/3\text{ radian}$
- (c)$\pi/4\text{ radian}$
- (d)$\pi\text{ radian}$
Answer
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From ISC 2022 Specimen Physics Paper 1, question 46.