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Three metallic plates out of which the m...

Three metallic plates out of which the middle is given charge Q as shown in the figure. The outer plates can be earthed with the help of switches `S_1 and S_2` . The area of each plates is the same. Answer the following question based on the given passage.
,brgt The charge appearing on the outer surface of extreme left plate is

A

`-Q//2`

B

`Q//2`

C

`Q`

D

`-Q`

Text Solution

Verified by Experts

The correct Answer is:
B

Field inside the conductor is zero. Charge distribution is shown in fig.
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