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What are the functions of: (i) kWh meter...

What are the functions of: (i) `kWh` meter (ii) distribution board and (iii) main switch in a domestic electrical circuit?
or
What would you do to increase the induced emf in a generator?

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PRADEEP-MAGNETIC EFFECTS OF ELECTRIC CURRENT-Mock Test
  1. What is the advantage of the third wire of each connection in domestic...

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  2. On what factors does the force experienced by a current-carrying condu...

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  3. State two ways by which the strength of an electromagnet can be increa...

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  4. What is the difference between an electromagnet and a permanent magnet...

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  5. What are the functions of: (i) kWh meter (ii) distribution board and (...

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  6. How can a soft iron piece be transformed into an electromagnet? Draw a...

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

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  8. The flow of a current in a circular loop of a wire creates a magnetic ...

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  9. What are magnetic field lines? How is the direction of magnetic field ...

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

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  11. State the characteristics of magnetic force.

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  12. Though currently there is little scientific evidence to suggest that m...

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  13. What is the difference between the terms overloading and short-circuit...

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  14. The use of magnetic therapy for pain relief has become increasingly po...

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  15. A student performs an experiment to study the magnetic effect of curre...

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  16. (i) What is the meaning of the term 'frequency' of an alternating curr...

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  17. Explain with a labelled diagram, the principle, construction and worki...

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  18. Write the characteristics of magnetic field lines. Draw the magnetic f...

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  19. You are given following current-time graph from two different sources,...

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  20. Draw an appropriate schematic diagram showing common domestic circuits...

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