Physics · Electrostatics
Two parallel plate capacitors X and Y have the same plate area and the same separation between plates. X contains air, while Y contains a dielectric medium with a dielectric constant of 2 between its plates. If they are connected in series across a 12 V battery, the ratio of the electrostatic energy stored in X to that in Y is:
- 14 : 1
- 21 : 4
- 32 : 1✓
- 41 : 2
Correct answer
2 : 1
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