Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage lags the total current by less than 90 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 voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 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 voltages is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four has no effect on the inductance multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four has no effect on the inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell None of these chemical cell electric device thermocouple solar cell None of these chemical cell electric device thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 0.25 180 0.5 None of these 4 0.25 180 0.5 None of these ANSWER DOWNLOAD EXAMIANS APP
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