Previous Year Paper year:2019 : ICSE-X-Physics

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ICSE-X-Physics

Previous Year Paper year:2019

with Solutions - page 8

#10-c-i
In which direction does the needle deflect when the key is closed ?
Ans : East.

#10-c-ii
Why is the deflection produced?
Ans : A current carrying conductor produces a magnetic field around itself.

#10-c-iii
What will he the change in the deflection if the magnetic needle is taken just above the conductor AB ?
Ans : The direction of deflection will reverse. (Towards west)

#10-c-iv
Name one device which works on this principle.

[4]

Ans : An electromagnet.