Electronic Principles The rotating coil of wire in an electric motor is called the: armature commutator loop brush None of these armature commutator loop brush None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 85 None of these 9 6 81 85 None of these 9 6 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? 690 ohm 150 ohm None of these 445 ohm 220 ohm 690 ohm 150 ohm None of these 445 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 80 W 325 kW 0.625 W None of these 0.24 W 80 W 325 kW 0.625 W None of these 0.24 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 5 Ohm None of these 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm None of these 6 Ohm 50 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
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