Physics Electrostatics Practice

transferring electric charge by actual contact is

• reflection
• absorption
• refraction
• conduction

transferring electric charge without contact is

• conduction
• induction
• radiation
• insulation

a device used to detect static charge is called a(n)

• magnetometer
• electroscope
• barometer
• seismograph

coulomb's law describes the ___ between two charged objects

• distance
• force
• charge

• temperature

Tags

NGSS.HS-PS2-4

both ____ and ___ determine the strength of an electrical force

• temperature of the charges and speed of the charges
• color of the charges and size of the charges
• amount of charge and distance between the charges
• shape of the charges and material of the charges

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

If the distance between two charged particles is doubled, then the force between them is ___

• doubled
• tripled
• cut to 1/2

• cut to 1/4

Tags

NGSS.HS-PS2-4

If the distance between two charged particles is cut to 1/3, then the force between them is ___ times ___

• 3 times greater
• 9 times greater
• 6 times greater
• 12 times greater

Tags

NGSS.HS-PS2-4

the law of ____ says that charge can only be ___, never created or destroyed

• conservation of charge, transferred

• energy, transferred

• motion, destroyed
• law of gravity, created

rubbing a rubber rod or a latex balloon with fur (hair) give the rod a ___ charge. This is because ___ are transferred from the fur to the rod

• neutral, protons

• negative, electrons

• positive, electrons

• static, protons

building up a charge by rubbing an object with another material is called charging by

• fusion
• attraction
• repulsion
• friction