Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of None of these Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material None of these the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material None of these the core is permitted to move freely within the coil 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? P = PR None of these P = E2/R R = E2/P I = P/E P = PR None of these P = E2/R R = E2/P I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Open the load resister Short the voltage source Open the voltage source Short the load resistor None of these Open the load resister Short the voltage source Open the voltage source Short the load resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern None of these that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern None of these ANSWER DOWNLOAD EXAMIANS APP
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