Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V 30.4 V None of these 38.74 V 35.4 V 37.4 V 30.4 V None of these 38.74 V 35.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is None of these 1 -1 4 None of these 1 -1 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy less than the free electrons None of these many Same number as free electrons Only those produced by thermal energy less than the free electrons None of these many Same number as free electrons 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? There is no valid comparison Permeability Retentivity Permeance Reluctance There is no valid comparison Permeability Retentivity Permeance Reluctance ANSWER DOWNLOAD EXAMIANS APP
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 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? 550 Ohm None of these 400 Ohm 410 Ohm 310 Ohm 550 Ohm None of these 400 Ohm 410 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
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