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? 2 3 43922 43891 None of these 2 3 43922 43891 None of these 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 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 force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet 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 force of attraction between the poles of a permanent and temporary magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the time required to complete one full cycle the number of cycles completed in one second equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the time required to complete one full cycle the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage 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 total voltages is equal to 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 None of these The total voltage 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 total voltages is equal to the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Open the voltage source Short the load resistor Open the load resister None of these Short the voltage source Open the voltage source Short the load resistor Open the load resister None of these Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom The flow of charged particles through a material None of these The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom The flow of charged particles through a material None of these ANSWER DOWNLOAD EXAMIANS APP
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