Physics · Electrostatics
A parallel plate capacitor with air as dielectric has a capacitance of 4 μF. The space between the plates of the capacitor is completely filled with a material of dielectric constant 5 and charged to a potential of 100 V. The work done to completely remove the dielectric material after the capacitor is disconnected from the battery is:
- 10.4 J✓
- 20.6 J
- 30.5 J
- 40.1 J
Correct answer
0.4 J
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