Electronic Principles The rotating coil of wire in an electric motor is called the: armature brush None of these commutator loop armature brush None of these commutator loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The total voltages is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 150 ohm 220 ohm 445 ohm 690 ohm None of these 150 ohm 220 ohm 445 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates electrostatic lines of force None of these the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force None of these the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 15 V 7.5 V 16 V None of these 8 V 15 V 7.5 V 16 V None of these 8 V ANSWER DOWNLOAD EXAMIANS APP
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