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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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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

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

User Squeeks
by
8.3k points
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