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Ohm's Law
What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing?
183
66
18.3
6.6
183
66
18.3
6.6
Answer
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Related Question
Ohm's Law
When 12 V are applied across a 68 resistor, the current is
176 mA
17.6 mA
816 mA
8.16 mA
176 mA
17.6 mA
816 mA
8.16 mA
Answer
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Ohm's Law
Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance?
59 mA
5.9 mA
590 mA
27.2 mA
59 mA
5.9 mA
590 mA
27.2 mA
Answer
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Ohm's Law
The formula to find I when the values of V and R are known is
V = IR
I = V/R
I = R/V
I = VR
V = IR
I = V/R
I = R/V
I = VR
Answer
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Ohm's Law
You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed?
900 mV
18 V
9 V
0 V
900 mV
18 V
9 V
0 V
Answer
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Ohm's Law
If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor?
8.25 V
14.6 V
82.5 V
146 V
8.25 V
14.6 V
82.5 V
146 V
Answer
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