Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 13 mA None of these 3.75 mA 0.05 mA 3.2 mA 13 mA None of these 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.2 A None of these 0.3 A 0.4 A 0.6 A 0.2 A None of these 0.3 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from neutral to positive from left to right from negative to positive None of these from positive to negative from neutral to positive from left to right from negative to positive None of these from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? None of these The algebraic sum of currents entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero None of these The algebraic sum of currents entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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 220 ohm 150 ohm 690 ohm 445 ohm None of these 220 ohm 150 ohm 690 ohm 445 ohm 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? None of these 1000 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 100 V and a series resistance of 10 k Ohm None of these 1000 V and a series resistance of 10 k Ohm 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 100 V and a series resistance of 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP