Electronic Principles Positive ions are atoms that have Gained an electron Gained a proton None of these Lost a proton Lost an electron Gained an electron Gained a proton None of these Lost a proton Lost an electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor None of these photodiode thermocouple solar cell photo transistor None of these photodiode thermocouple solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow None of these The number of free electrons in an atom An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow None of these The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: doubles the amount of a capacitive reactance has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
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