Charging by Friction
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If an object made of substance A is rubbed with an object made of substance B, then A becomes positively charged and B becomes negatively charged. If, however, an object made of substance A is rubbed against an object made of substance C, then A become negatively charged. What will happen if an object made of substance B is rubbed against an object made of substance C?
B becomes positively charged and C becomes positively charged.
B becomes positively charged and C becomes negatively charged.
B becomes negatively charged and C becomes positively charged.
B becomes negatively charged and C becomes negatively charged.
If two bodies were rubbed against each other and one aquired a -5mC charge, what will be the charge on the other body?
-5mC
+5mC
-3mC
+3mC
- Gives electrons to silk
- Gains protons from silk
- Gains electrons from silk
- Gives protons to silk
- +3 mC
- +5 mC
- -3 mC
- -5 mC
- Gains protons from silk
- Gains electrons from silk
- Gives electrons to silk
- Gives protons to silk
- False
- True
- Transfer of atoms from one body to the other body.
- Transfer of electricity from one body to the other body.
- Transfer of electrons from one body to the other body.
- Transfer of heat from one body to the other body.
- Electrons move from silk to glass
- Electrons move from glass to silk
- Protons move from silk to glass
- Protons move from glass to silk