Ohm's Law How much resistance is required to limit the current from a 12 V battery to 3.6 mA? 3.3 k 2.2 k 22 k 33 k 3.3 k 2.2 k 22 k 33 k 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 385 38.5 31 3.1 385 38.5 31 3.1 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 2 20 4 40 2 20 4 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be? 8 V 3.2 V 320 V 32 V 8 V 3.2 V 320 V 32 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately 112 1.2 18 11.2 112 1.2 18 11.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately 660 mA 66 mA 15.1 µA 151 µA 660 mA 66 mA 15.1 µA 151 µA ANSWER DOWNLOAD EXAMIANS APP