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1. |
A parallel plate capacitor with air between the plates is charged to a potential difference of 500 V and then insulated. A plastic plate is inserted between the plates filling the whole gap. The potential difference between the plates now becomes 75V. The dielectric constant of plastic is |
A. | 44265 |
B. | 5 |
C. | 44275 |
D. | 10 |
Answer» D. 10 | |