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A domestic lighting circuit has a fuse o...

A domestic lighting circuit has a fuse of 5 A. If the mains supply is at 230 V, calculate the maximum number of 36 W tube-lights that can be safely used in the circuit.

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31 tube-lights
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LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. An electric kettle rated as 1200 W at 220 V and a toaster rated at 100...

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  2. What is the main difference in the wiring of an electric bulb and a so...

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  3. A domestic lighting circuit has a fuse of 5 A. If the mains supply is ...

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  4. Why does a compass needle get deflected when brought near a bar magnet...

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  5. Draw magnetic field lines around a bar magnet.

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  6. List the properties of magnetic lines of force.

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  7. Why don't two magnetic field lines intersect each other?

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  8. Consider a circular loop of wire lying in the plane of the table. Let ...

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  9. The magnetic field in a given region is uniform. Draw a diagram to rep...

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  10. Choose the correct option: The magnetic field inside a long straight...

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  11. Which of the following properties of a proton can change while it move...

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  12. A positively-charged particle (alpha particle) projected towards west ...

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  13. State Fleming's left-hand rule.

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  14. What is the principle of an electric motor?

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  15. What is the role of the split-ring in an electric motor?

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  16. Explain different ways to induce current in a coil.

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  17. State the principle of an electric generator.

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  18. Name some sources of direct current.

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  19. Which sources produce alternating current?

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  20. Choose the correct option: A rectangular coil of copper wires is rot...

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