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The intrinsic angle is 25^0, find the loss angle.

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The intrinsic angle is 25^0, find the loss angle.

(a) 12.5

(b) 50

(c) 25

(d) 75

This question was posed to me at a job interview.

This key question is from Intrinsic Impedance and Propagation Constant topic in chapter Transmission Lines of Electromagnetic Theory

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The correct option is (b) 50

The explanation is: The loss angle is twice of the intrinsic angle. It is given by δ = 2θn. On substituting for θn = 25, the loss angle δ = 2(25) = 50 degree.

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