

Radio Receivers - Engineering
Q1: An unmodulated voltage 10 V effective is applied to a dioxide detector in which load resistance is 4 x 10-5 ohms. A micrometer shows that the rectified DC current in this resistance is 30 A. The input resistance of the detector isA 114 kW
B 336 kW
C 384 kW
D 455 kW
ANS:B - 336 kW The formula is P = (squareroot(2) *1 0)/4 * 10^-5. |


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