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Find the phase angle in the circuit shown below.

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Find the phase angle in the circuit shown below.

(a) 15

(b) 16

(c) 17

(d) 18

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The above asked question is from Series Circuits in portion Complex Impedence of Network Theory

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Correct choice is (b) 16

Explanation: The phase angle is the angle between the source voltage and the current. Phase angle θ=tan^-1(VL/VR). The values of VL = 20V and VR = 70V. On substituting the values in the equation, phase angle in the circuit = tan^-1(20/70)=15.94^o≅ 16^o.

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