Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 3.2 mA 3.75 mA 13 mA 0.05 mA None of these 3.2 mA 3.75 mA 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 50 A 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current None of these Can be any of above Stays the same Decreases Increases None of these Can be any of above Stays the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm None of these 550 Ohm 410 Ohm 310 Ohm 400 Ohm None of these 550 Ohm 410 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern None of these that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 20 km or less 200 k Ohm or more 200 k Ohm or less 20 k Ohm or more None of these 20 km or less 200 k Ohm or more 200 k Ohm or less 20 k Ohm or more None of these ANSWER DOWNLOAD EXAMIANS APP
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