Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 20 W 100 W None of these 200 W 1000 W 20 W 100 W None of these 200 W 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current collector current base current emitter current None of these supply current collector current base current emitter current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.2 A 0.4 A None of these 0.6 A 0.3 A 0.2 A 0.4 A None of these 0.6 A 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? 310 Ohm 550 Ohm None of these 410 Ohm 400 Ohm 310 Ohm 550 Ohm None of these 410 Ohm 400 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material A diamagnetic material None of these All of these A paramagnetic material A ferromagnetic material A diamagnetic material None of these All of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one million ohms 100,000 ohm one-millionth of an ohm None of these 1 k ohm one million ohms 100,000 ohm one-millionth of an ohm None of these 1 k ohm ANSWER DOWNLOAD EXAMIANS APP
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