O-LevelPhysicsElectricity5054/11 · May/June 2024 · Q301 Mark
Plastic and wool are insulating materials. Samples of plastic and wool are rubbed together. This causes a transfer of electrons. Which row shows the direction of electron transfer and the final charge on both materials?
Aplastic: gains electrons, wool: loses electrons, final charge on plastic: neutral, final charge on wool: positive
Bplastic: gains electrons, wool: loses electrons, final charge on plastic: negative, final charge on wool: positive
Cplastic: loses electrons, wool: gains electrons, final charge on plastic: negative, final charge on wool: positive
Dplastic: loses electrons, wool: gains electrons, final charge on plastic: positive, final charge on wool: neutral
✓ Correct answer
B: plastic: gains electrons, wool: loses electrons, final charge on plastic: negative, final charge on wool: positive
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