1.

The linear charge density of 10muCcharge, uniformly distributed on the ring of 1m radius, will be ........

Answer»

`6.28 Cm^(-1)`
`6.28 xx 10^(5) cm^(-1)`
`1.59 xx 10^(-6) cm^(-1)`
`10^(5) cm^(-1)`

SOLUTION :Here, `Q = 10 muC`
`therefore Q = 10 xx 10^(-6)` C
`LAMBDA =Q/l = Q/(2pir)(therefore l = 2pih)` for ring
`therefore lambda =1.59 xx 10^(-6) cm^(-1)`


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