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 23 230 9.7 97 23 230 9.7 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 11.2 18 1.2 112 11.2 18 1.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how much current flows through a 3.3 M resistor across a 30 V source? 90 A 9000 A 9 A 900 A 90 A 9000 A 9 A 900 A ANSWER DOWNLOAD EXAMIANS APP
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 resistance is required to limit the current from a 12 V battery to 3.6 mA? 33 k 2.2 k 3.3 k 22 k 33 k 2.2 k 3.3 k 22 k 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
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