Electric FieldsElectric Fields

Ms. Henry

Van de Graaff GeneratorVan de Graaff Generator

Charge is transferred onto a moving belt at the base of the generator.

Travels up, then transfers off the belt to the metal dome.

Electric Field LinesElectric Field LinesPositively Charged Negatively Charged

Opposite Charges Same Charges

Electric Force Gravitational Force

Both attractive and repulsive (because there are both positive and negative charges).

Only attractive.

Electric Field StrengthElectric Field Strength

The strength of an electric field is equal to the force on a positive test charge divided by the strength of the test charge.

Electric Field Gravitational Field