Electronic Principles Which one of the following kinds of materials has the highest permeability? A paramagnetic material All of these A diamagnetic material None of these A ferromagnetic material A paramagnetic material All of these A diamagnetic material None of these A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Number of lines of force Magnetomotive force Reluctance Flux density None of these Number of lines of force Magnetomotive force Reluctance Flux density None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of inductance required to change the frequency of a current by 1 Hz None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required to change the frequency of a current by 1 Hz None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: thermocouple solar cell piezoelectric devices None of these chemical cell thermocouple solar cell piezoelectric devices None of these chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 200 W 1000 W 100 W None of these 20 W 200 W 1000 W 100 W None of these 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter ANSWER DOWNLOAD EXAMIANS APP
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