When the free ends of the tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason ?

A child staying in a caostal region tests the drinking water and also the seawater with his tester.He finds that the compass needle deflects more in the case of sea water. Can you explain the reason ?

Paheli had heard that rainwater is good as distilled water. So she collected some rainwater in a clean glass tumbler and tested it using a tester. To her surprise, she found that the compass needle showed deflection .What could be the reason ?

Name the three liquids which when tested in the manner shown in the given figure, may cause the magnetic needle to deflect

A short magnetic needle is pivoted in a uniform magnetic field of strength 1 T. When another magnetic field of strength sqrt3 T is applied to the needle in a perpendicular direction, the needle deflects through an angje theta , where theta is

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

A magnetic compass shows a deflection when placed near a current-carrying wire. How does the deflection of the compass get affected, if the current in the wire is increased ? Support your answer with a reason.