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Charging Pith balls. Explain this.

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Name these charges



A is negative B is positive






H) Field Intensity and Distance


1) Spherical point charge




Field intensity varies
 with the square of distance

Inverse Square Law Animation

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Double distance from spherical charge,

the field intensity ....





is quartered




2. Charged Rod - the field intensity varies inversely with distance


If the distance to the rod is reduced to 1/3 its original distance,
the electric field intensity ...




would be 3 times greater


Electric Field Strength and Distance


[ Flash ]

St. Mary's Physics Online




Review - Can you explain this?

Review - Name these charges


Electric Potential


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