Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current supply current None of these collector current emitter current base current supply current None of these collector current emitter current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet None of these that has its molecules arranged in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than electrons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 12 V 18 V 30 V 24 V None of these 12 V 18 V 30 V 24 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A diamagnetic material A feiTomagnetic material A paramagnetic material All of these None of these A diamagnetic material A feiTomagnetic material A paramagnetic material All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 100 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm None of these 1000 V and a parallel resistance of 10 kOhm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm None of these 1000 V and a parallel resistance of 10 kOhm 1000 V and a series resistance of 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
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