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प्रश्न
Show that an ideal inductor does not dissipate power in an ac circuit.
संख्यात्मक
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उत्तर
Power dissipation (P) = VRMS IRMS cos Φ
cos Φ = `R/Z`
For an ideal inductor,
R = 0
∴ cos Φ = 0
∴ P = VRMS IRMS cos Φ
= 0
Thus, an ideal inductor does not dissipate power in an ac circuit.
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