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Ohm's Law
Approximately how much current flows through a 3.3 M resistor across a 30 V source?
9 A
9000 A
90 A
900 A
9 A
9000 A
90 A
900 A
Answer
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Related Question
Ohm's Law
A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately
66 mA
151 µA
15.1 µA
660 mA
66 mA
151 µA
15.1 µA
660 mA
Answer
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Ohm's Law
If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?
8 V
32 V
3.2 V
320 V
8 V
32 V
3.2 V
320 V
Answer
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Ohm's Law
How much resistance is needed to draw 17.6 mA from a 12 volt source?
6.8 k
680
212
68
6.8 k
680
212
68
Answer
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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.
20
40
2
4
20
40
2
4
Answer
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Ohm's Law
When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is
100 V
10 V
1.4 V
14.4 V
100 V
10 V
1.4 V
14.4 V
Answer
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