Answered

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An ordinary car battery has a charge of 13 volts. When starting the car, the battery delivers about 600 amperes to the car motor. What is the resistance of this circuit?
A
46.15 ohms

B
0.02166 ohms

C
600 ohms

D
7800 ohms

Sagot :

Answer:B

0.02166 ohms

Explanation:

jcherry99

Answer:

Explanation:

Formula

Voltage (volts) = current (amps) * resistance (0hms). The terms in brackets are the units.

Givens

V = 13 volts

I = 600 amps

R =  ? ohms

Solution

V = I * R

13 = 600 * R                  Divide both sides by 600

13/600 = 600R/600     Do the division

0.0216 ohms = R           This is almost a dead short.

Answer

R = 0.0216

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