Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 200 W 1000 W 100 W 20 W None of these 200 W 1000 W 100 W 20 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal current source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor None of these Ideal voltage source and parallel resistor Ideal current source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor None of these Ideal voltage source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 208 mA 300 mA 200 mA None of these 7.8 mA 208 mA 300 mA 200 mA None of these 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 What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 2 43891 3 None of these 43922 2 43891 3 None of these 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell piezoelectric device None of these photodiode solar cell nicad cell piezoelectric device None of these photodiode solar cell ANSWER DOWNLOAD EXAMIANS APP
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