Electronic Principles What kind of battery is most likely included in a cordless electric knife? Zinc-carbon battery Lead-acid battery Mercury-cell battery Nicad battery None of these Zinc-carbon battery Lead-acid battery Mercury-cell battery Nicad battery None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second dissipating 1 W of power None of these causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second dissipating 1 W of power None of these causing an ac phase shift greater than 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 600 V 24 V None of these 4.73 0.4 V 600 V 24 V None of these 4.73 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 Like magnetic poles attract, while unlike poles repel None of these Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel None of these Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor All of these Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor All of these Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm Less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP