Leadership

Physics

Ten Standard

Test your understanding of this lesson Potential difference and electromotive force (EMF):-

1)
Volt is the unit of
  • EMF
  • Potential difference
  • Strength of current
  • EMF & Strength of current
2)
When the potential difference between two points is 1 volt then the work done to transfer 1 coulomb positive charge from one point to another is
  • 1 erg
  • 1 joules
  • \(10^{5}\) erg
  • \(10^{7}\) joule
3)
Potentiometer is used to measure
  • Strength of current
  • Resistance
  • Potential difference
  • EMF
4)
Voltmeter is used to measure
  • Strength of current
  • Resistance
  • Potential difference
  • EMF
5)
If the EMF of a dry cell is 1.5 volt, it's potential difference will be
  • greater than 1.5 volt
  • equals to 1.5 volt
  • less than 1.5 volt
  • may be any one of above
Hand draw

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