A pure inductor of self inductance 1 H is connected across an alternating voltage of 115 V and frequency 60 Hz. The reactance XL and peak current respectively are
A
37.1Ω, 0.43 A
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B
337.1Ω, 0.43 A
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C
377.1Ω, 0.43 A
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D
3.7Ω, 0.42 A
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Solution
The correct option is C 377.1Ω, 0.43 A XL=ωL =2πfL =2π60×1 =377.1Ω peak current = peak voltageXL