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The potential (in volts) of a charge dis...

The potential (in volts) of a charge distribution is given by
`V(z)=30-5z^(2)` for `|z| le 1m`
`V(z)=35-10 |z|` for `|z| ge 1m`
`V(z)` does not depend on x and y. If this potential is potential is generated by a constant charge per unit volume `rho_(0)` (in units of `in_(0)`) which is spread over a certain region, then choose the correct statement.

A

`rho_(0)=20 in_(0)` in the entire redion

B

`rho_(0)=10 in_(0)` for `|z| le 1m` and `rho_(0)=0` elsewhere

C

`rho_(0)=40 in_(0)` in the entire region

D

`rho_(0)=20 in_(0)` for `|z| le 1m` and `rho_(0)=0` elsewhere

Text Solution

Verified by Experts

The correct Answer is:
B
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