Class 10 Physics Electricity Measurement of Potential difference

Measurement of Potential difference

Potential difference is nothing but voltage and is measured by a device called Voltmeter. It is always connected in parallel across the points whose potential difference is to be measured.

  • SI unit of electric potential difference is Volt (V).
  • SI unit of Work done is Joule (J).

1 V = 1 J/ 1 C, potential difference is 1 when 1 joule work is done to move 1 coulomb of charge from one point to another

 

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