A 100 resistance and a capacitor of 100 reactance are connected in series across a 220 V source. When the capacitor is 50% charged, the peak value of the displacement current is
(1) 2.2 A
(2) 11A
(3) 4.4A
(4) 11A
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA small-signal voltage V(t)=Vo sinωt is applied across an ideal capacitor C
(1) over a full cycle, the capacitor C does not consume any energy from the voltage source
(2) current I(t) is in phase with voltage V(t)
(3) current I(t) leads voltage V(t) by 180°
(4) current I(t) lags voltage V(t) by 90°
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following combinations should be selected for better tuning of an \(LCR\) circuit used for communication?
1. \(R=20~\Omega ,~L=1.5~\text{H},~C=35~\mu \text{F}\)
2. \(R=25~\Omega ,~L=2.5~\text{H},~C=45~\mu \text{F}\)
3. \(R=15~\Omega ,~L=3.5~\text{H},~C=30~\mu \text{F}\)
4. \(R=25~\Omega ,~L=1.5~\text{H},~C=45~\mu \text{F}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology