Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 20 W 100 W 200 W None of these 1000 W 20 W 100 W 200 W None of these 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43891 2 3 43922 None of these 43891 2 3 43922 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole None of these that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole None of these that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern ANSWER DOWNLOAD EXAMIANS APP
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