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The diagram shows a coil wound around a ...

The diagram shows a coil wound around a U shape soft iron bar AB.

Suggest one way to strengthen the magnetic field in the electromagnet.

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To strengthen the magnetic field in the electromagnet, the current flowing in it is increased.
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Fig. shows a coil wound around a soft iron bar XY. Suggest one way of increasing the strength of the electromagnet so formed.

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ICSE-QUESTION PAPER-2018 -SECTION-II
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  7. What is the energy absorbed during the phase change called ?

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  10. The temperature of 170 g of water at 50^@C is lowered to 5^@C by addin...

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  11. The diagram shows a coil wound around a U shape soft iron bar AB. ...

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  12. The diagram shows a coil wound around a U shape soft iron bar AB. ...

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  13. The diagram shows a coil wound around a U shape soft iron bar AB. ...

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  15. The ore of Uranium found in nature contains ""(92)^(238)U and ""(92)^(...

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  16. The ore of uranium found in nature contains ""(92)U^(238)and""(92)U^(2...

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  17. Radiations given out from a source when subjected to an electric field...

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  18. Radiations given out from a source when subjected to an electric field...

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  19. Radiations given out from a source when subjected to an electric field...

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