Question

6. A tester was designed as shown below : [3 marks]a) Name the two effects of electric current that are depicted in this testerb) Which device can be used instead of the compass needle in the tester?c) When distilled water was used in the beaker, there was no deflection in the compass needlebut when a pinch of salt is added to this water, deflection was observed. Why?14​

Answer 1

Answer:

Some of the chemical effects of electric current are as follows : Bubbles of gas may be formed at electrodes. Deposits of metal may be seen on electrodes. Change of colour of solution may occur .

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