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Ohm's Law
If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is
220
2.2 k
22 k
220 k
220
2.2 k
22 k
220 k
Answer
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Related Question
Ohm's Law
Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor?
4.4
4
400
4 k
4.4
4
400
4 k
Answer
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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?
3.3 k
33 k
22 k
2.2 k
3.3 k
33 k
22 k
2.2 k
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?
320 V
32 V
3.2 V
8 V
320 V
32 V
3.2 V
8 V
Answer
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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?
9.6 V
96 V
8 V
960 V
9.6 V
96 V
8 V
960 V
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.
2
20
4
40
2
20
4
40
Answer
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