Impedance of the circuit shown in the figure is


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Impedance of the circuit shown in the figure is​

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impedance of the circuit shown in the figure is​

Voltage across resistance

V = IR

90 = 3 * R

=> R = 30 Ω

Voltage across inductor

V = I XL

120 = 3 * XL

XL = 40 Ω

Impedance Z = R + jXL

Magnitude if impedance = √(R²  + XL²)

= √(30² + 40²)

= √(900 + 1600)

=√2500

= 50 Ω

Option2


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