A coil draws a current of `1.0` ampere and a power of `100` watt from an `A.C.` source of `110` volts and `(5sqrt22)/pi` hertz. Find the inductance an

Question

A coil draws a current of `1.0` ampere and a power of `100` watt from an `A.C.` source of `110` volts and `(5sqrt22)/pi` hertz. Find the inductance an

A coil draws a current of `1.0` ampere and a power of `100` watt from an `A.C.` source of `110` volts and `(5sqrt22)/pi` hertz. Find the inductance and resistance of the coil.

Monjur Alahi

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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 - `sqrt(21/22)H-100 Omega`
`I_(rms)^(2)xxR=100` --(1)
`(1)^(2)xxR=100 rArrR=100 Omega`
`V_(rms)=I_(rms)Z , 110=I_(rms)Z , 110=1xxZ=sqrt(R^(2)+(omegaL)^(2)) , L=sqrt(21/22)H`

5 views Answered 2023-02-05 15:29