Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 1.2 A 120 mA 12 A 12 mA 1.2 A 120 mA 12 A 12 mA 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. 2 20 40 4 2 20 40 4 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 80 V 8 V 500 V 50 V 80 V 8 V 500 V 50 V 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? 8.2 8.2 k 82 820 8.2 8.2 k 82 820 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 2.2 k 33 k 3.3 k 22 k 2.2 k 33 k 3.3 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source? 97 230 9.7 23 97 230 9.7 23 ANSWER DOWNLOAD EXAMIANS APP