Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell solar cell piezoelectric device None of these photodiode nicad cell solar cell piezoelectric device None of these photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 99.3 Ohm 250 Ohm None of these 60 Ohm 70.7Ohm 99.3 Ohm 250 Ohm None of these 60 Ohm 70.7Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Secondary voltage None of these Impossible to say Neither Primary voltage Secondary voltage None of these Impossible to say Neither 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 The circular magnetic field that surrounds a conductor carrying a current None of these 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 The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: volt ohm watt None of these ampere volt ohm watt None of these ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.41666666666667 None of these 100 A 0.1 A 1000 A 0.41666666666667 None of these 100 A 0.1 A 1000 A ANSWER DOWNLOAD EXAMIANS APP
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