Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 445 ohm 150 ohm 690 ohm 220 ohm None of these 445 ohm 150 ohm 690 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from negative to positive from right to left from neutral to positive None of these from positive to negative from negative to positive from right to left from neutral to positive None of these from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 2 k Ohm 1 k Ohm None of these 20 k Ohm 10 k Ohm 2 k Ohm 1 k Ohm None of these 20 k Ohm 10 k Ohm 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? None of these 0.25 180 4 0.5 None of these 0.25 180 4 0.5 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? Flux density None of these Magnetomotive force Reluctance Number of lines of force Flux density None of these Magnetomotive force Reluctance Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm None of these 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm None of these 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm ANSWER DOWNLOAD EXAMIANS APP
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