A `4muF` capacitor is charged to 400 V. If its plates are joined through a resistance of `2kOmega`, then heat produced in the resistance is

Question

A `4muF` capacitor is charged to 400 V. If its plates are joined through a resistance of `2kOmega`, then heat produced in the resistance is

A `4muF` capacitor is charged to 400 V. If its plates are joined through a resistance of `2kOmega`, then heat produced in the resistance is
A. 0.16 J
B. 0.32 J
C. 0.64 J
D. 1.28 J

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`C=4muF,V=400V,R=2kOmega,H=?`
`H=E=1/2CV^(2)`
`=(4xx10^(-6)xx16xx10^(4))/2=64/2xx10^(-2)=0.32J`

4 views Answered 2023-02-05 15:29