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160W-60V lamp is connected at 60 V DC su...

160W-60V lamp is connected at 60 V DC supply. The number of electrons passing through the lamp in 1 min is
(The charge of electron, `e=1.6xx10^(-19)C`)

A

`10^19`

B

`10^21`

C

`1.6 times 10^19`

D

`1.4 times 10^20`

Text Solution

Verified by Experts

`R=v^2/p= (60)^2/160=22.5Omega , I=60/22.5=2.6A: I=(ne)/t or n = (I times t)/e= (2.6 times 60)/(1.6 times 10^-19) approx 10^21`
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