Analog Electronics
The conduction loss verses device current characteristics of power MOSFET in best approximately by

 an exponentially decaying function.
 a rectangular hyperbola.
 a straight line.
 a parabola.

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Analog Electronics
Why is silicon preferred than germanium ?

 Silicon has higher tolerance to temperature
 Current sensitivity of silicon with temperature is less
 Leakage current due to minority charge carrier is less in silicon
 All the above

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