GEN PHY 2 - 1STSQ

Which of the following is true?

• Electric charge is a scalar quantity, while electric force is a vector quantity

• Electric charge is a vector quantity, while electric force is a scalar quantity

• Electric charge and electric force are both vector quantities

• Electric charge and electric force are both scalar quantities

Which of the following is the study of all phenomena associated with stationary charges?

• Magnetism

• Electromagnetism

• Electrostatics

• Thermodynamics

Which of the following is true?

• Opposite charges repel

• Opposite charges attract

• Like charges attract

• Two charged particles does not interact at all

Charges do exist in quantized values

• True

• False

Which of the following is true when a balloon is rubbed against wool, considering the conservation of charge?  

• The balloon becomes positively charged, and the wool becomes negatively charged, with the total charge remaining the same.

• The balloon and wool both become negatively charged, with the total charge increasing.

• The balloon becomes negatively charged, and the wool becomes positively charged, with the total charge remaining the same.

• The balloon becomes positively charged, and the wool remains neutral.

What is the mass of an electron?

• 9.11 x 10 ^ -31 kg

• 1.67 x 10 ^ -27 kg

• • 9.11 x 10 ^ -31 kg

• -1.6 x 10 ^ -19 kg

What is the mass of an proton?

• 9.11 x 10 ^ -31 kg

• 1.67 x 10 ^ -27 kg

• • 9.11 x 10 ^ -31 kg

• -1.6 x 10 ^ -19 kg

What is true about the magnitude and sign of the charge of a proton compared to that of an electron?

• The charge of the proton has the same magnitude as that of the electron but opposite in sign.

• The charge of the proton has different magnitude as that of the electron but opposite in sign.

• • The charge of the proton has the same magnitude as that of the electron, same goes with its charge.

• The charge of the proton has different magnitude as that of the electron but same in sign.

Which material allows electrons to move freely, making it an effective conductor of electricity?

• insulator

• conductor

• • wood

• paper

Which material has electrons that are tightly bound to their atoms, preventing the flow of electric current?

• insulator

• conductor

• • copper

• iron