Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? None of these 350 µA 250 µA 300 µA 0.25 µA None of these 350 µA 250 µA 300 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the None of these collector current supply current emitter current base current None of these collector current supply current emitter current base current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Mechanical energy Light energy Chemical energy None of these Solar energy Mechanical energy Light energy Chemical energy None of these Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 4 29 None of these 14 48 4 29 None of these 14 48 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet None of these ANSWER DOWNLOAD EXAMIANS APP
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