STATIC ELECTROCITY QUIZ

Which of the following is negatively charged?

• A. Proton

• B. Electron

• C. Neutron

• D. Atom

When a glass rod is rubbed with silk, the rod becomes positively charged because...

• A. the proton is transferred from silk to glass rod

• B. The electron is transferred from silk to glass rod

• C. the proton is transferred from silk to glass rod

• D. the electron is transferred from glass rod to silk

What a method is involved when charges in neutral objects are rearranged without direct contact with the charged object?

• A. induction

• B. conduction

• C. convection

• D. friction

Materials that allow charges to pass through easily are...

• A. insulators

• B. Electrodes

• C. Conductors

• D. Inductors

An electroscope can be charged by

• A. convection

• B. radiation

• C. conduction

• D. friction

In coulomb's law, the force of attraction or repulsion between two charges is...

• A. inversely proportional to the charges

• B. directly proportional to the product of charges

• C. directly proportional to the square of the distance between them

• D. inversely proportional to the distance between them

Which of these substances conducts electricity the best?

• A. wood

• B. Copper

• C. Brick

• D. Plastic

What variable is a Coulomb the unit for?

• A. charge

• B. distance

• C. force

• D. mass

What happens to the force between two charged objects when you double the distance between them?

• A. 2X

• B. 4X

• C. 1/2X

• D. 1/4X

When distance increases, electrostatic force ____________; we call this relationship ____________ proportional

• A. decreases;directly

• B. increases;inversely

• C. decreases;inversely

• D. increases;directly