Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons None of these Protons only Electrons, protons, and neutrons Electrons, protons, and ions Electrons, ions, and neutrons None of these Protons only Electrons, protons, and neutrons Electrons, protons, and ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Mechanical energy Light energy Solar energy None of these Chemical energy Mechanical energy Light energy Solar energy None of these Chemical energy 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? 13 mA 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases 0oC Increases None of these Stays the same Decreases 0oC Increases None of these Stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device photodiode nicad cell None of these solar cell piezoelectric device photodiode nicad cell None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.083333333333333 None of these 200 A 0.5 mA 2 mA 0.083333333333333 None of these 200 A 0.5 mA 2 mA ANSWER DOWNLOAD EXAMIANS APP
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