JEE Mains · Physics · STD 12 -7. Alternating current
The rms value of conduction current in a parallel plate capacitor is \(6.9\,\mu\,A\). The capacity of this capacitor, if it is connected to \(230 V\) ac supply with an angular frequency of \(600\,rad / s\), will be \(....\,pF\)
- A \(5\)
- B \(50\)
- C \(100\)
- D \(200\)
Answer & Solution
Correct Answer
(B) \(50\)
Step-by-step Solution
Detailed explanation
Current in capacitor \(I =\frac{ V }{ X _{ C }}\) \(I =( V ) \times(\omega C )\) \(C =\frac{ I }{ V \omega}=\frac{6.9 \times 10^{-6}}{230 \times 600}=50 pF\)
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