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How is a voltmeter connected in the circuit to measure potential difference between two points?

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. What is the name given to flow of electric charge per unit time in a w...

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  2. Name a device used to measure potential difference between two points ...

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  3. How is a voltmeter connected in the circuit to measure potential diffe...

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  4. Which instrument is used to measure current in the circuit ? how is it...

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  5. How is ammeter always connected in circuits?

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  6. If potential difference across resistor is increased, will the current...

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  7. When temperature of metal increases, does the resistance increases or ...

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  8. Which physical quantity has its unit kWh?

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  9. In a metal wire, electron moves from negative end to positive end and,...

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  10. For a continuous flow of current through a wire, the potential differe...

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  11. Electrochemical cell is a device which maintains a constant potential ...

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  12. symbol stands for variable resistor.

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  13. The current flows in a metal wire due to movement of electrons, wherea...

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  14. The resistance of copper is more than nichrome.

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  15. The best conductor of electricity is:

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  16. Constaitan is used as a standard resistor. Is the statement true or fa...

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  17. Electrical conductance of metals decreases with increase in temperatur...

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  18. The resistivity of a substance depends on its length and area of cross...

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  19. Ohm's law is a universal law. Is this statement true.

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  20. The following graph is for ohmic conductor. .Is this statement true.

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