A capacitor of capacitance `20muF` is connected in series with `25Omega` resistance to 240 V, 50 Hz AC. The maximum current in the circuit is

Question

A capacitor of capacitance `20muF` is connected in series with `25Omega` resistance to 240 V, 50 Hz AC. The maximum current in the circuit is

A capacitor of capacitance `20muF` is connected in series with `25Omega` resistance to 240 V, 50 Hz AC. The maximum current in the circuit is
A. 14.9 A
B. 1.49 A
C. 2.49 A
D. 2.89 A

Monjur Alahi

5 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
`X_(C)=(1)/(2pifC)=(1)/(2xx3.14xx50xx20xx10^(-6))`
`=159.2Omega`
`Z=sqrt(R^(2)X_(C)^(2))=160.9Omega`
`I=(e)/(Z)=(240)/(160.9)=1.49A`

5 views Answered 2023-02-05 15:29