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  • A wire is connected to a voltage source, and a current of 0.5 amperes flows through the wire. The voltage across the wire is measured to be 12 volts. Determine the resistance (R) of the given wire

A wire is connected to a voltage source, and a current of 0.5 amperes flows through the wire. The voltage across the wire is measured to be 12 volts. Determine the resistance (R) of the given wire using Ohm’s law.

Option: 1

160ohms


Option: 2

170 ohms


Option: 3

200 ohms


Option: 4

24 ohms


Answers (1)

best_answer

Ohm’s law states that the resistance (R) of a circuit element can be calculated using the equation R=\frac{V}{I} where V is the voltage across the element and I is the current flowing through it.

Given the voltage (V ) as 12 volts and the current (I) as 0.5 amperes, we can substitute these values into Ohm’s law to find the resistance (R):

R=\frac{12 \text { volts }}{0.5 \text { amperes }}=24 \mathrm{ohms}

Hence, the resistance (R) of the given wire is 24 ohms. Therefore,the correct answer D.

Posted by

Ritika Kankaria

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