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Draw the circuit diagram of potentionmet...

Draw the circuit diagram of potentionmeter to compare the emf of two cells and briefly describ e the procedure.

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R G PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. A copper wire is stretched so as to increase its length by 0.2% . Calc...

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  2. A 100W heather coil is rated 200V. Find the resistance of the coil.

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  3. Draw the circuit diagram of potentionmeter to compare the emf of two c...

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  4. Draw the circuit diagram of the potentiometer to determine the interna...

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  5. You are given a potentiometer, a rheostat, one key, a driving cell fo...

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  6. A battery of e.m.f 2V and internal resistance 1Omega is used to send a...

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  7. Compare the amount of heat developed in three similar wires having le...

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  8. In the circuit given below, find the potential difference between A an...

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  9. State Kirchoff's laws of current electricity.

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  10. In the circuit given below, find the current through 10Omega.

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  11. How is the changing electric filed between the plates of a parallel ...

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  12. A potentiometer wire AB has a length 0.5, and resistacne 0.5Omega. AS...

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  13. As shown in the diagram, network of resistors R1 and R2 extends off to...

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  14. Establish the following relation for drift velocity. Vd = (eE)/m tau

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  15. With the help of graphs, how resistivity changes with temperature in t...

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  16. With the help of graphs, how resistivity changes with temperature in t...

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  17. With the help of graphs, how resistivity changes with temperature in t...

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  18. Why is an insulator sometimes called a dielectric? What is the main di...

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  19. Define drift velocity of free electrons in a conductor across which a ...

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  20. Calculated the equivalent resistance between the points A and C of the...

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