Magnetism and Electricity Question
View this question.
Add this question to a group or test by clicking the appropriate button below.
Some students experimenting with an uncharged metal sphere want to give the sphere a net charge using a charged aluminum pie plate. Which of the following steps would give the sphere a net charge of the same sign as the pie plate?
- Bringing the pie plate close to, but not touching, the metal sphere, then moving the pie plate away.
- Bringing the pie plate close to, but not touching, the metal sphere, then momentarily touching a grounding wire to the metal sphere.
- Bringing the pie plate close to, but not touching, the metal sphere, then momentarily touching a grounding wire to the pie plate.
- Touching the pie plate to the metal sphere.