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Ohm's Law

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

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Ohm's Law
What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source?

23
9.7
230
97

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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
10 V
100 V
14.4 V

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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
820
8.2 k

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Ohm's Law
Four amperes of current are measured through a 24 resistor connected across a voltage source. How much voltage does the source produce?

960 V
9.6 V
96 V
8 V

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Ohm's Law
A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?

2.2 mA
2 mA
214 mA
21.4 mA

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