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When connected to a 12V battery, the current in a car headlight is 4.0 A. When the lamp is lit, what is its resistance? A) 3.0 ohms B) 16 ohms C) 48 ohms D) 0.33 ohms

When connected to a 12V battery, the current in a car headlight is 4.0 A. When the lamp is lit, what is its resistance? A) 3.0 ohms B) 16 ohms C) 48 ohms D) 0.33 ohms
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1 vote
When connected to a 12V battery, the current in a car headlight is 4.0 A.

When the lamp is lit, what is its resistance?

A) 3.0 ohms
B) 16 ohms
C) 48 ohms
D) 0.33 ohms

asked
User Methos
by
7.3k points

1 Answer

3 votes

Answer:

A) 3.0 ohms

Step-by-step explanation:

R=V/I=12V/4.0A=3.0 ohms

answered
User Squeeks
by
8.3k points
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