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Mention some uses of electromagnets ....

Mention some uses of electromagnets .

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Electromagnets are used in :
i] Industries to lift heavy magnetic objects and to separate magnetic materials from wastes
ii] Transformers which work on the principle of electromagnetic induction
iii] Electric bells, relays, electric switches, tape recorders, etc.
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ZEN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT -Additional question section (Short answer [SA] type 2 questions)
  1. Mention some uses of electromagnets .

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  2. Name and state the rule to determine the direction of a force experien...

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  3. State Fleming's left-hand rule.

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  4. A student studying the force experienced by a current-carrying conduc...

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  5. List four factors on which the magnitude of the force acting on a curr...

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  6. When is the force experienced by current carrying conductor placed in ...

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  7. A proton beam is moving along the direction of a magnetic field. What ...

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  8. What happens to the force acting on a current-carrying conductor plac...

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  9. State if an alpha particle [alpha particles are positively charged] ex...

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  10. Explain the meaning of the term electromagnetic induction. On what fac...

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  11. A coil made of insulated copper wire is connected to a galvanometer . ...

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  12. In the arrangement shown below, two different coils A and B are insert...

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  13. A magnetic compass needle is placed on the plane of paper near A as sh...

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  14. Name and state the two rules for finding the direction of magnetic fi...

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  15. The direction of a magnetic field can be determined using

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  16. State Fleming's left-hand rule.

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  17. Name the rule which gives the direction of induced current in a conduc...

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  18. On what factors do the magnetic field produced by a straight current-...

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  19. What happens to the force acting on a current-carrying conductor plac...

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  20. State the clock rule to determine the polarity of any face of a circul...

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