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How many 176 Omega resistors (in parall...

How many `176 Omega` resistors (in parallel) are required to carry 5 A in 220 V line ?

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When we say the resistors are in parallel? Write the expression for the resistors in parallel. How many 176 Omega resistors (in parallel) are required to carry 5 A on a 220 V line?

(a) Calculate the resistance of the wire using the graph. (b) How many 176Omega resistors in parallel are required to carry 5A on a 220 V line? (c ) Define electric power. Derive relation between power, potential difference and resistance.

How many 132 Omega resistors in parallel are required to carry 5 A on a 220 B line

(a) Why a bird perched on a high voltage wire is not killed by the current ? (b) How many 176 Omega resistors (in parallel) are required to carry a current of 5 A in 220 V line ?

How many resistors of 88 W are connected in parallel to carry 10 A current on a 220 V line?

MBD -HARYANA BOARD-ELECTRICITY-EXAMPLE
  1. When a 12 V battery is connected across an unknown resistor, there is ...

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  2. A battery of 9 V is connected in series with resistors of 0.2 Omega, 0...

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  3. How many 176 Omega resistors (in parallel) are required to carry 5 A ...

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  4. Show how you would connect three resistors, each of resistance 6 Omega...

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  5. Several electric bulbs designed to be used on a 220 V electric supply ...

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  6. A hot plate of an electric oven connected to a 220 V lines has two res...

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  7. Compare the power used in the 2 Omega resistor in each of the followin...

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  8. Compare the power used in the 2 Omega resistor in each of the followin...

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  9. Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are ...

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  10. Which uses more energy: a 250 WTV set in 1 hour or a 1200 W toaster in...

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  11. An electric heater of resistance 8 Omega draws 15 A from the service m...

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  12. Explain why, tungsten is used for making the filaments of electric bul...

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  13. Why are coils of electric toasters and electric irons made of an alloy...

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  14. Why is series arrangement not used for domestic circuits?

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  15. How does the resistance of a wire vary with its: (a) area of cross-s...

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  16. Why are copper and aluminium wires usually used for electricity transm...

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  17. What is meant by Joule's heating effect due to flow of current through...

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  18. Define electric power and give its unit.

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  19. What do you mean by electric energy ? give the definition of its unit.

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  20. Define resistance of a conductor. What is its cause? Explain the facto...

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