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. 4 2 40 20 4 2 40 20 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 18.3 66 183 6.6 18.3 66 183 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? 3.3 k 33 k 22 k 2.2 k 3.3 k 33 k 22 k 2.2 k 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 8 V 500 V 80 V 50 V 8 V 500 V 80 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the voltage source for a circuit carrying 2 A of current through a 36 resistor? 7.2 V 72 V 1.8 V 18 V 7.2 V 72 V 1.8 V 18 V 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 9000 A 9 A 90 A 900 A 9000 A 9 A 90 A ANSWER DOWNLOAD EXAMIANS APP
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