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In a potentiometer setup, if the wire has a resistance of 10 ohms and a current

Practice Questions

In a potentiometer setup, if the wire has a resistance of 10 ohms and a current of 0.5 A flows through it, what is the potential drop across the wire?

2.5 V
5 V
10 V
15 V

Questions & Step-by-Step Solutions

In a potentiometer setup, if the wire has a resistance of 10 ohms and a current of 0.5 A flows through it, what is the potential drop across the wire?

Step 1: Identify the resistance of the wire, which is given as 10 ohms.
Step 2: Identify the current flowing through the wire, which is given as 0.5 A.
Step 3: Recall Ohm's law, which states that Voltage (V) = Current (I) * Resistance (R).
Step 4: Substitute the values into the formula: V = 0.5 A * 10 ohms.
Step 5: Calculate the potential drop: 0.5 * 10 = 5 V.

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