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The plot represents the flow of current ...

The plot represents the flow of current through a wire at three different times. The ratio of charges flowing through the wire at different times is

A

`3:4:2 `

B

`1:2:2 `

C

`1:1:1 `

D

`1:4:2`

Text Solution

Verified by Experts

The correct Answer is:
a
Charge for a given time
= area under the curve of current
- time graph for the given time
`q_1 = 3 xx 1 = 3 C`
`q_2 = 2 xx 2 = 4 C`
`q_3 = 1/2 xx 2 xx 2 = 2C`
`therefore q_1 : q_2 : q_3 = 3:4:2`
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