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25 mH का एक शुद्ध प्रेरित्र 220 V, 50 Hz के एक प्रत्यावर्ती स्रोत से जुड़ा है | प्रेरित्र का प्रेरणिक प्रतिघात तथा परिपथ से प्रवाहित धारा का rms मान ज्ञात करें |

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Correct Answer - `7.85 Omega, 28 A`
`X_(L)=omega L=2pi fL=2(3.14)(50 s^(-1))(25xx10^(-3)H)=7.85 Omega`
`I_(v)=(epsi_(v))/(X_(L))=(220 V)/(7.85 Omega) = 28 A.`

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