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 82 8.2 k 820 8.2 82 8.2 k 820 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 34.4 V 1.36 V 340 V 13.6 V 34.4 V 1.36 V 340 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing? 6.6 66 183 18.3 6.6 66 183 18.3 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 15.1 µA 660 mA 151 µA 66 mA 15.1 µA 660 mA 151 µA 66 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 4 40 20 2 4 40 20 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how much current flows through a 3.3 M resistor across a 30 V source? 900 A 9 A 90 A 9000 A 900 A 9 A 90 A 9000 A ANSWER DOWNLOAD EXAMIANS APP
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