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Explain hydrogen fuel cell vehicles are ...

Explain hydrogen fuel cell vehicles are more environment friendly

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CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
  1. Derive the expression for Eeq and req when two cells are connected in ...

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  2. State different types of electrical cells.

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  3. Explain hydrogen fuel cell vehicles are more environment friendly

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  4. Distinguish between cells in series and cells in parallel.

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  5. Distinguish between primary cells and secondary cells.

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  6. Find the steady curent flowing through a metal wire when 3 xx 10^8 ele...

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  7. A current of 800 mA is passed through an electric lamp for one minute....

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  8. Write down in order the colours of bands for the following carbon resi...

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  9. Write down in order the colours of bands for the following carbon resi...

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  10. Find the values of the resistors with the following colour code: Gree...

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  11. Find the values of the resistors with the following colour code: Grey...

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  12. Find the resistance of a copper cable of length 8 km, diameter 3mm, if...

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  13. Calculate the specific resistance of the material of a wire having a r...

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  14. A current of 0.4 A flows through a lamp, when a P.D. of 230 V is appli...

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  15. An electric lamp is rated 40 W, 100 V. Find the current in the lamp an...

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  16. The resistance of a tungsten wire is 1000 Omega at 0^@C and 1045 Omega...

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  17. The emf of a battery is 21 volt. When it sends a current of 1 ampere t...

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  18. What current flowing through a resistance coil of 10 ohm would produce...

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  19. Calculate the heat produced per second by an electric heater connected...

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  20. Two wires A and B of the same material are of uniform cross-section. W...

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