Ohm's Law What is the voltage source for a circuit carrying 2 A of current through a 36 resistor? 1.8 V 72 V 18 V 7.2 V 1.8 V 72 V 18 V 7.2 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 12 A 12 mA 120 mA 1.2 A 12 A 12 mA 120 mA 1.2 A ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA? 82 820 8.2 8.2 k 82 820 8.2 8.2 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor? 8.25 V 146 V 14.6 V 82.5 V 8.25 V 146 V 14.6 V 82.5 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A 120 V lamp-dimming circuit is controlled by a rheostat and protected from excessive current by a 3 A fuse. To what minimum resistance value can the rheostat be set without blowing the fuse? Assume a lamp resistance of 20 ohms. 40 20 2 4 40 20 2 4 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately 38.5 385 31 3.1 38.5 385 31 3.1 ANSWER DOWNLOAD EXAMIANS APP