Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? None of these P = I2R P = IE I = P/E P = E2/R None of these P = I2R P = IE I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: generators lightning oscillators None of these batteries generators lightning oscillators None of these batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half None of these doubles the amount of a capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half None of these doubles the amount of a capacitive reactance has no effect on the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that has been freed from its parent atom None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that has been freed from its parent atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeability Reluctance Retentivity Permeance There is no valid comparison Permeability Reluctance Retentivity Permeance There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS