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MBD -HARYANA BOARD-ELECTRICITY-EXAMPLE
- Which uses more energy: a 250 WTV set in 1 hour or a 1200 W toaster in...
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- An electric heater of resistance 8 Omega draws 15 A from the service m...
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- Explain why, tungsten is used for making the filaments of electric bul...
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- Why are coils of electric toasters and electric irons made of an alloy...
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- Why is series arrangement not used for domestic circuits?
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- How does the resistance of a wire vary with its: (a) area of cross-s...
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- Why are copper and aluminium wires usually used for electricity transm...
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- What is meant by Joule's heating effect due to flow of current through...
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- Define electric power and give its unit.
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- What do you mean by electric energy ? give the definition of its unit.
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- Define resistance of a conductor. What is its cause? Explain the facto...
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- On what factors does the resistance of a conductor depend ?
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- State Ohm's law ? How can it be verified experimentally ? Does it hold...
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- State Ohm's law. How can it be verified experimentally ? Explain with ...
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- What is the need of combining different resistors? What is the resulan...
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- State Ohm's law. Derive the laws of resistances, when they are connect...
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- With the help of a diagram derive the formula for the equivalent resis...
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- Define electric power and give its unit.
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- What is meant by power and energy ? Give their units.
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- What is electric energy ? what is its si unt?
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