Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? None of these 1000 W 20 W 200 W 100 W None of these 1000 W 20 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons None of these Only those produced by thermal energy Same number as free electrons many less than the free electrons None of these Only those produced by thermal energy Same number as free electrons many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA 7.75 µA None of these 10.3 µA 14.8 µA 7.8 µA 7.75 µA None of these 10.3 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The current always has the same amplitude and phase for every part of the circuit None of these The total current is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit None of these The total current is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity Permeance Permeability Reluctance There is no valid comparison Retentivity Permeance Permeability Reluctance There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? None of these 77.7 ohm 88.8 ohm 224 ohm 89.3 ohm None of these 77.7 ohm 88.8 ohm 224 ohm 89.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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