Electronic Principles The rotating coil of wire in an electric motor is called the: loop commutator None of these armature brush loop commutator None of these armature brush ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The current always has the same amplitude and phase for every part of the circuit None of these The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit None of these The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Mechanical energy Chemical energy Electronical energy Solar energy None of these Mechanical energy Chemical energy Electronical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? I = P/E P = PR R = E2/P P = E2/R None of these I = P/E P = PR R = E2/P P = E2/R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals 25o C -276o C 0o C None of these -273o C 25o C -276o C 0o C None of these -273o C ANSWER DOWNLOAD EXAMIANS APP