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Resistance (Ohms) = Potential Difference (Voltage) / Current (Amps)

Q: How is electrical resistance calculated?

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A meter bridge is used to measure an unknown electrical resistance by comparing it with a known resistance. It works on the principle of Wheatstone bridge. By balancing the bridge circuit, the value of the unknown resistance can be calculated accurately.

an ohm meter OR multimeter is used to measure the electrical resistance...

electrical resistance was discovered by Georg Ohm in the late 1820's.

Electrical resistance is measured in Ohms.

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Ohm is the SI unit of electrical impedance (AC) or the electrical resistance (DC), named after Georg Ohm. Not Ohms!

The color of the body does not affect its electrical resistance. Electrical resistance is determined by factors such as the material, dimensions, and temperature of the body. The color of an object is related to its appearance and does not have a direct impact on its electrical properties.

Resistance.