Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Stays the same 0oC None of these Decreases Increases Stays the same 0oC None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the emitter current None of these supply current collector current base current emitter current None of these supply current collector current base current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet a paramagnetic alloy None of these an artificial magnet a natural magnet a temporary magnet a paramagnetic alloy None of these an artificial magnet a natural magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? None of these 0.575 10.738 0.707 1.5 None of these 0.575 10.738 0.707 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: None of these from neutral to positive from left to right from positive to negative from negative to positive None of these from neutral to positive from left to right from positive to negative from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 None of these 180 0.5 4 0.25 None of these 180 0.5 4 ANSWER DOWNLOAD EXAMIANS APP