A wire is connected to a battery with a voltage of 12 V. When a current of 2 A flows through the wire, the voltage drop across the wire is 8 V. Calculate the resistance of the wire.
5
6
4
8
Given:
Battery voltage V = 12 V
Current I = 2 A
Voltage drop Vdrop = 8 V
Using Ohm’s law, the relationship between voltage, current, and resistance is given by:
V = I R, where R is the resistance.
Step 1: Calculate the resistance of the wire:
R = 4
The resistance of the wire is 4 .
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