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? P = I2R None of these I = P/E P = IE P = E2/R P = I2R None of these I = P/E P = IE P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits None of these Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits None of these Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in dc circuits ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 24 V 18 V None of these 12 V 30 V 24 V 18 V None of these 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 99 Ohm - 102 ohm 90 Ohm - 110 ohm 90 Ohm - 101 ohm 98 Ohm - 100.1 ohm None of these 99 Ohm - 102 ohm 90 Ohm - 110 ohm 90 Ohm - 101 ohm 98 Ohm - 100.1 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 0.083333333333333 180 A None of these 7200 A 0.5A 0.083333333333333 180 A None of these 7200 A 0.5A 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? 70.7Ohm 250 Ohm None of these 99.3 Ohm 60 Ohm 70.7Ohm 250 Ohm None of these 99.3 Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
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