A series R-C circuit is connected to an alternating voltage source. Consider two situations:
a. When capacitor is air filled.
b. When capacitor is mica filled.
Current through resistor is $i$ and voltage across capacitor is $V$ then:NEET 2015 (Phase 2)

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​​​​​​​ i = v R 2 + 1 Cω 2 V C = v R 2 + 1 Cω 2 × 1 Cω V C = V RCω 2 + 1 If we fill a di-electric material C ↑ ⇒ V C ↓

Physics - EMI/AC Question with Solution | TestHub

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