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In the diagram (given below), the broken...

In the diagram (given below), the broken lines represent the paths followed by particles W, X, Y and Z respectively through the contant field E. The number below the field represent meters.

Suppose particle Z has a charge of `+2C`, and is begins and end at rest. If E is `5N//C`, how much work is done on particle Z

A

`10 J`

B

`20 J`

C

`40 J`

D

`80 J`

Text Solution

Verified by Experts

The correct Answer is:
B
`W= int F_("ext").ds`
`rArr (5xx2)xx2`
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