Electronic Principles When the Q point moves along the load line, the voltage increases when the current Can be any of above None of these Stays the same Decreases Increases Can be any of above None of these Stays the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 0.25 180 None of these 4 0.5 0.25 180 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Permeability There is no valid comparison Retentivity Reluctance Permeance Permeability There is no valid comparison Retentivity Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? None of these Into this page Counterclockwise Clockwise Out of this page None of these Into this page Counterclockwise Clockwise Out of this page ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the number of turns of wire in an inductor multiplied by the amount of current flowing through it 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 amount of inductance required to change the frequency of a current by 1 Hz None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it 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 amount of inductance required to change the frequency of a current by 1 Hz None of these 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 20 k Ohm or more None of these 200 k Ohm or less 200 k Ohm or more 20 km or less 20 k Ohm or more None of these 200 k Ohm or less ANSWER DOWNLOAD EXAMIANS APP
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