Physics: Electrostatic

which is the field for opposite charges

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What types of charges attract?

• Positive and Positive

• Positive and Neutral

• Negative and Neutral

• Positive and Negative

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The accumulation of excess electric charge on an object is called

• Static electricity

• Electric discharge

• Resistance

• Circuit

Plastic is an example of _______.

• an insulator

• a conductor

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A metal spoon is an example of _____.

• a conductor

• an insulator

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What causes static electricity?

• only an object losing electrons
• only an object gaining electrons
• when positive and negative charges balance
• when positive and negative charges are not balanced

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Consider the conduction charging shown. 

• Electrons move from the insulating stand into the sphere.
• Protons move from the bar into the sphere.
• Electrons move from the charged metal bar into the sphere.
• Protons move from the sphere into the negatively charged bar.

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Like charges

• attract

• repel

• ignore each other

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Opposite charges

• attract

• repel

• do not interact

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If you rub two balloons with the same piece of wool cloth, the balloons will:

• Be attracted to each other.

• Repel each other.

• Have no interaction.

• Not enough information is given to determine what will happen.

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