Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W 3 W None of these 64 W 6 W 122 W 3 W None of these 64 W 6 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V None of these 1 V 2 m V per degree Celsius 0.3V 0.7V None of these 1 V 2 m V per degree Celsius 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Zinc-carbon battery Nicad battery Lead-acid battery Mercury-cell battery None of these Zinc-carbon battery Nicad battery Lead-acid battery Mercury-cell battery None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA None of these 3.75 mA 13 mA 0.05 mA 3.2 mA None of these 3.75 mA 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 24 V 0.4 V 4.73 600 V None of these 24 V 0.4 V 4.73 600 V ANSWER DOWNLOAD EXAMIANS APP