In an electric circuit applied ac emf is e = 20 sin 300t volt and the current is i = 4 sin 300 t ampere. The reactance of the circuit is -

5 ohm

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80 ohm

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1.8 k Ω

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zero

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Solution

The correct option is A 5 ohm
Given that,

Emf, $e = 20 sin 300 t$

Current, $i = 4 sin 300 t$

Reactance,

$R = \frac{e m f}{I}$

$R = \frac{20}{4} = 5 o h m$

Suggest Corrections

Similar questions

E = 300 s i n [(100 π) t]

v o l t

100 o h m s

a m p e r e s

[100 t + \frac{π}{2}] a m p

E = 100 sin 100 π t, I = 5 sin 100 π t

π

E = 100 sin (314 t)

I = sin (314 t + \frac{π}{3})

(i n Ω)

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