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Charging by Conduction and Induction Note: It is not necessary to copy all the details of all the examples.

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Presentation on theme: "Charging by Conduction and Induction Note: It is not necessary to copy all the details of all the examples."— Presentation transcript:

1 Charging by Conduction and Induction Note: It is not necessary to copy all the details of all the examples

2 Charging by Contact – Conduction Charging by Conduction: charging an object by contact with a charged object charging by contact

3 Charging by Contact – Conduction -negative object touched to a neutral object Before touchingAfter touching neutralnegative

4 Charging by Contact – Conduction -negative object touched to a neutral object Before touchingAfter touching neutralnegative negative negative

5 Charging by Contact – Conduction -positive object touched to a neutral object Before touchingAfter touching positive neutral

6 Charging by Contact – Conduction -negative object touched to a neutral object Before touchingAfter touching positive neutral positive positive

7 Charging by Contact – Conduction Electroscope: a device used to detect static charge electroscope charging

8 Charging by Contact – Conduction Electroscope: a device used to detect static charge -any charge added to the electroscope will spread out all through it

9 Charging by Contact – Conduction Electroscope: a device used to detect static charge -any charge added to the electroscope will spread out all through it -any time the leaves get a charge, they have the same charge so they repel & spread apart

10 Charging by Contact – Conduction Electroscope: a device used to detect static charge -charging with a negative object negative (4-) Before Contact neutral

11 Charging by Contact – Conduction Electroscope: a device used to detect static charge -charging with a negative object negative (1-) After Contact -leaves repel due to like charges negative (3-)

12 Charging by Contact – Conduction Electroscope: a device used to detect static charge -charging with a positive object positive (4+) Before Contact neutral

13 Charging by Contact – Conduction Electroscope: a device used to detect static charge -charging with a positive object positive (1+) After Contact -leaves repel due to like charges positive (3+)

14 Charging by Induction

15 Charging by induction: charging a neutral object by bringing a charged object close to, but not touching, the neutral object.

16 Charging by Induction Temporary charging by induction: Negative: the negative charge will drive the electrons of the neutral object away

17 Charging by Induction Temporary charging by induction: Negative: the negative charge will drive the electrons of the neutral object away *remember: protons don't move!

18 Charging by Induction Temporary charging by induction: Negative: the negative charge will drive the electrons of the neutral object away -creates a positive area close to the charged object

19 Charging by Induction Temporary charging by induction: Negative: the negative charge will drive the electrons of the neutral object away -creates a positive area close to the charged object -creates a negative area away from the charged objects where the electrons gather up.

20 Charging by Induction Temporary charging by induction: Negative:

21 Charging by Induction Temporary charging by induction: Positive: the positive object attracts the electrons of the neutral object

22 Charging by Induction Temporary charging by induction: Positive: the positive object attracts the electrons of the neutral object -creates a negative area close to the positive object where the electrons gather

23 Charging by Induction Temporary charging by induction: Positive: the positive object attracts the electrons of the neutral object -creates a negative area close to the positive object where the electrons gather -leaves the object positive on the side away from the positive object

24 Charging by Induction Temporary charging by induction: Positive:

25 Charging by Induction Permanent charging by induction: Negative: 1. start with a neutral object

26 Charging by Induction Permanent charging by induction: Negative: 2. bring a negative charged object close so the electrons are driven to the far side

27 Charging by Induction Permanent charging by induction: Negative: 3. ground the neutral object so the electrons can leave

28 Charging by Induction Permanent charging by induction: Negative: 4. remove the ground and the object has a positive charge charging by induction tvo video


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