Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 3890 Ohm 844.5 Ohm 692.2 Ohm None of these 1234 Ohm 3890 Ohm 844.5 Ohm 692.2 Ohm None of these 1234 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level 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 3.75 mA None of these 0.05 mA 13 mA 3.2 mA 3.75 mA None of these 0.05 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RLC circuit operated above its resonant frequency purely resistive circuit None of these parallel RL circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency purely resistive circuit None of these parallel RL circuit parallel RC circuit 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 20 A 50 A 0.20833333333333 None of these 20 A 50 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Same number as free electrons less than the free electrons many None of these Only those produced by thermal energy Same number as free electrons less than the free electrons many None of these Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP