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प्रश्न
A capacitor has charge 50 µC. When the gap between the plate is filled with glass wool, then 120 µC charge flows through the battery to capacitor. The dielectric constant of glass wool is ______.
पर्याय
1.40
2.40
3.40
4.40
MCQ
रिकाम्या जागा भरा
उत्तर
A capacitor has a charge of 50 µC. When the gap between the plate is filled with glass wool, then 120 µC charge flows through the battery to the capacitor. The dielectric constant of glass wool is 3.40.
Explanation:
Δq = (K – 1)CV
120 = (K - 1) 50
K = `120/50` + 1
= 3.4
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