Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Number of lines of force Reluctance Flux density None of these Magnetomotive force Number of lines of force Reluctance Flux density None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor decreases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor increases with operating frequency Power dissipation of a pure capacitor decreases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor increases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of counter emf required to reduce a current to 1 A 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 inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A 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 inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more 20 km or less 200 k Ohm or less None of these 20 k Ohm or more 200 k Ohm or more 20 km or less 200 k Ohm or less None of these 20 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = I2R P = IE None of these I = P/E P = E2/R P = I2R P = IE None of these I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
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