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Following operations can be performed on...

Following operations can be performed on a capacitor :
X - connect the capacitor to a battery of emf. E.Y - disconnect the battery
Z - reconnect the battery with polarity reversed. W - insert a dielectric slab in the capacitor

A

In XYZ (perform X, then Y, then Z) the stored electric energy remains unchanged and no thermal energy is developed.

B

The charge appearing on the capagitor is greater after the action XWY than after the action XYW.

C

The electric energy stored in the capacitor is greater after the action WXY than after the action XYW .

D

The electric field in the capacitor after the action XW is the same as that after WX.

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
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