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Solving Problems: Using Ohm's law a. A laptop computer runs on a 24-volt battery. If the resistance of the circuit inside is 16 ohms, how much current does it use? b. A motor in a toy car needs 2 amps
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33 votes
33 votes
Solving Problems: Using Ohm's law

a. A laptop computer runs on a 24-volt battery. If the resistance of the circuit inside is 16
ohms, how much current does it use?
b. A motor in a toy car needs 2 amps of current to work properly. If the car runs on four
1.5-volt batteries, what is the motor's resistance?
c. What is the current in the circuit below?
1002
20V
[=?

Solving Problems: Using Ohm's law a. A laptop computer runs on a 24-volt battery. If-example-1
User OpHASnoNAME
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3.0k points

1 Answer

18 votes
18 votes
A) Since V = I/R, we know that VR = I so 16 x 24 = 384.

B) I/V = R so 2/6 which = 0.333

and for C i physically cannot open the pic but good luck and use Voltage = Current / Resistence
User Jossi
by
3.2k points
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