Electronic Principles The rotating coil of wire in an electric motor is called the: None of these loop commutator armature brush None of these loop commutator armature brush 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? None of these 1000 A 0.41666666666667 100 A 0.1 A None of these 1000 A 0.41666666666667 100 A 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates None of these increasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates decreasing the area of the plates None of these increasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell thermocouple chemical cell None of these electric device solar cell thermocouple chemical cell None of these electric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance cuts the capacitive reactance in half None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance cuts the capacitive reactance in half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? None of these 2 -3 -6 None of these 2 -3 -6 ANSWER DOWNLOAD EXAMIANS APP
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