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MBD -HARYANA BOARD-ELECTRICITY-EXAMPLE
- A battery of 9 V is connected in series with resistors of 0.2 Omega, 0...
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- How many 176 Omega resistors (in parallel) are required to carry 5 A ...
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- Show how you would connect three resistors, each of resistance 6 Omega...
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- Several electric bulbs designed to be used on a 220 V electric supply ...
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- A hot plate of an electric oven connected to a 220 V lines has two res...
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- Compare the power used in the 2 Omega resistor in each of the followin...
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- Compare the power used in the 2 Omega resistor in each of the followin...
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- Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are ...
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- 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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