Electronic Principles A device that converts chemical energy to electrical energy is called a: None of these thermocouple solar cell electric device chemical cell None of these thermocouple solar cell electric device chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current One-half the primary current None of these No more than 10% less than the primary current Twice the primary current Same as the primary current One-half the primary current None of these No more than 10% less than the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: Ohm volts per second amperes per second henrys None of these Ohm volts per second amperes per second henrys None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material None of these A diamagnetic material All of these A paramagnetic material A ferromagnetic material None of these A diamagnetic material All of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current and voltages are in phase through a resistor All of these None of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current lags the voltage through a resistor Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force None of these The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force None of these ANSWER DOWNLOAD EXAMIANS APP
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