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प्रश्न
Define the unit of resistance (or Define the unit "ohm").
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उत्तर
One ohm (Ω) is the resistance of a conductor when a potential difference of one volt is applied to its ends and a current of one ampere flows through it.
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संबंधित प्रश्न
You have three resistors of values 2Ω, 3Ω and 5Ω. How will you join them so that the total resistance is more than 7Ω?
1) Draw a diagram for the arrangement
2) Calculate the equivalent resistance.
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(a) a volt is a joule per ampere.
(b) a volt is a joule per coulomb.
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