Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 None of these 20 A 50 A 0.20833333333333 None of these 20 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals Regulate voltage None of these Rectify line voltage Emit light Amplify weak signals Regulate voltage None of these Rectify line voltage Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as None of these Bipolar Linear Nonlinear Active None of these Bipolar Linear Nonlinear Active ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Open the load resistor None of these Short the voltage source Short the load resistor Open the voltage source Open the load resistor None of these Short the voltage source Short the load resistor Open the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? None of these The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage 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 None of these The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage 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 ANSWER DOWNLOAD EXAMIANS APP
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