An unmodulated voltage 10 V effective is applied to a dioxide detector in which

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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 is
Options
A. 114 kW
B. 336 kW
C. 384 kW
D. 455 kW

Correct Answer

336 kW

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2. Most of the memory chips in static RAM
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A. do not require any supply
B. need 2 V supply
C. need 5 V supply
D. need 12 V supply

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Options
A. equal
B. different
C. equal or different
D. different but sometimes equal

7. The real part of complex dielectric constant and tan? for a dielectric are 2.1 and 5 x 10^-4 at 100 Hz respectively. The imaginary part of dielectric constant at 100 Hz is
Options
A. 1.05 x 10^-3
B. 2.1 x 10^-3
C. 5 x 10^-3
D. 1.05 x 10^-2

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