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Ohm's Law

Ohm's Law
How much resistance is needed to draw 17.6 mA from a 12 volt source?

680
6.8 k
68
212

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Ohm's Law
A current of 200 µA through a 6.8 k resistor produces a voltage drop of

1.36 V
340 V
13.6 V
34.4 V

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Ohm's Law
Approximately how much current flows through a 3.3 M resistor across a 30 V source?

9000 A
900 A
9 A
90 A

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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

1.4 V
14.4 V
10 V
100 V

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Ohm's Law
How much resistance is required to limit the current from a 12 V battery to 3.6 mA?

22 k
2.2 k
33 k
3.3 k

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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.

2
4
40
20

ANSWER DOWNLOAD EXAMIANS APP
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