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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?
96 V
960 V
9.6 V
8 V
96 V
960 V
9.6 V
8 V
Answer
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Related Question
Ohm's Law
An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately
38.5
31
3.1
385
38.5
31
3.1
385
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
1.4 V
10 V
14.4 V
100 V
1.4 V
10 V
14.4 V
100 V
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?
22 k
2.2 k
3.3 k
33 k
22 k
2.2 k
3.3 k
33 k
Answer
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Ohm's Law
When 12 V are applied across a 68 resistor, the current is
17.6 mA
816 mA
8.16 mA
176 mA
17.6 mA
816 mA
8.16 mA
176 mA
Answer
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Ohm's Law
The formula to find I when the values of V and R are known is
I = V/R
V = IR
I = R/V
I = VR
I = V/R
V = IR
I = R/V
I = VR
Answer
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