Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? None of these 0.41666666666667 1000 A 100 A 0.1 A None of these 0.41666666666667 1000 A 100 A 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 1000 W 100 W 200 W None of these 20 W 1000 W 100 W 200 W None of these 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A ferromagnetic material A paramagnetic material All of these A diamagnetic material None of these A ferromagnetic material A paramagnetic material All of these A diamagnetic material 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 The knee voltage of a diode is approximately equal to the None of these Applied voltage Barrier potential Forward voltage Breakdown voltage None of these Applied voltage Barrier potential Forward voltage Breakdown voltage 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? 5 Ohm None of these 50 Ohm or more 6 Ohm 100 Ohm 5 Ohm None of these 50 Ohm or more 6 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
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