CAIE IGCSE Physics 4.2.1.3 Simple Experiments to Show the Questions

Practise selecting insulating rods for frictional charging and sequencing an induction experiment with a charged rod, conductor, earth connection and stand.

Exam points

Choose suitable insulating rods and cloths for charging by friction because charge remains on the insulator, sequence induction by bringing the charged rod near, earthing the conductor, disconnecting Earth, then removing the rod, and explain charge redistribution and electron movement during induction and earthing.

[Maximum number: 3]

A conducting sphere is mounted on an insulating stand. Explain how you would use a positively charged rod of insulating material to charge the sphere by induction.

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CAIE IGCSE Physics 4.2.1.3 Simple Experiments to Show the Questions question 1