A capacitor is allowed to accumulate the charge through a 3.5 A current. How much time will it require to accumulate a charge of 70 μ C charge?

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SSC JE Electrical 15 Nov 2022 Shift 2 Official Paper
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  1. 20 sec
  2. 200μ sec
  3. 2μ sec
  4. 20μ sec

Answer (Detailed Solution Below)

Option 4 : 20μ sec
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Detailed Solution

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Concept

The current flowing through a capacitor having stored charge(Q) is:

where, I = Current

Q = Charge

t = Time 

Calculation

Given, Q = 70 μC

I = 3.5 A

t = 20 μsec

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