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 40 20 4 2 40 20 4 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 8 V 500 V 50 V 80 V 8 V 500 V 50 V 80 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When 12 V are applied across a 68 resistor, the current is 17.6 mA 816 mA 176 mA 8.16 mA 17.6 mA 816 mA 176 mA 8.16 mA 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 2.2 k 22 k 3.3 k 33 k 2.2 k 22 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is needed to draw 17.6 mA from a 12 volt source? 6.8 k 68 680 212 6.8 k 68 680 212 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor? 14.6 V 8.25 V 82.5 V 146 V 14.6 V 8.25 V 82.5 V 146 V ANSWER DOWNLOAD EXAMIANS APP
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