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When a 10muC charge is enclosed by a cl...

When a `10muC` charge is enclosed by a closed surface, the flux passing through the surface is `phi`. Now another `-10muC` charge is placed inside the closed surface, then the flux passing through the surface is.........

A

`4phi`

B

`phi`

C

`2phi`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
Electric flux = `(q_("inc"))/(epsilon_(0))`
`phi= (10muC)/(epsilon_(0))`
If more 10mC charge is placed.
Electric flux = `(20muC)/(epsilon_(0))= 2phi`
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