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What potential difference is needed to make a current of 5 A flow through a material with resistance of 2 ohms?

Question

What potential difference is needed to make a current of 5 A flow through a material with resistance of 2 ohms?

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Solution

To find the potential difference, we can use Ohm's Law, which states that the current through a conductor between two points is directly proportional to the voltage across the two points. The formula is:

V = I * R

where: V is the potential difference (voltage), I is the current, and R is the resistance.

Given in the problem: I = 5 A (amperes) R = 2 Ω (ohms)

Substitute these values into the formula:

V = 5 A * 2 Ω = 10 V

So, the potential difference needed to make a current of 5 A flow through a material with resistance of 2 ohms is 10 volts.

This problem has been solved

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