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 k 8.2 82 820 8.2 k 8.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A current of 200 µA through a 6.8 k resistor produces a voltage drop of 13.6 V 1.36 V 34.4 V 340 V 13.6 V 1.36 V 34.4 V 340 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. 20 4 40 2 20 4 40 2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is required to limit the current from a 12 V battery to 3.6 mA? 22 k 3.3 k 33 k 2.2 k 22 k 3.3 k 33 k 2.2 k 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? 32 V 3.2 V 8 V 320 V 32 V 3.2 V 8 V 320 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 50 V 500 V 80 V 8 V 50 V 500 V 80 V 8 V ANSWER DOWNLOAD EXAMIANS APP
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