Electricity and Magnetism Quiz

Which two statements about Gauss’s law are correct?

• It applies only to spherical charges

• It describes the movement of magnetic fields

• It relates electric flux to enclosed charge

• It states that flux depends on charge distribution

• It explains electric resistance

Which two conditions are necessary for electrostatic equilibrium?

• Charges continuously redistribute

• The electric potential varies across the conductor

• No net motion of charge

• The electric field inside a conductor is zero

• Charge must be concentrated at the center

Which two properties affect the potential energy of a charge in an electric field?

• The mass of the charge

• The charge’s magnitude

• The speed of the charge

• The charge’s position in the field

• The temperature of the environment

Which two statements about electric potential energy are correct?

• It is always positive

• It depends on the charge magnitude

• It depends on the electric potential

• It is independent of position

• It does not change in a uniform field

Which two factors determine the capacitance of a capacitor?

• The frequency of the applied voltage

• The material of the circuit

• Plate area

• Distance between plates

• The temperature of the environment

Which two conditions are necessary for a charge to experience force in an electric field?

• The charge must be inside a conductor

• The charge must be neutral

• The charge must be moving

• The charge must be in a nonzero electric field

• The electric field must be uniform

Which two materials are good insulators?

• Copper

• Silver

• Rubber

• Glass

• Aluminum

Which two statements about electric dipoles are correct?

• They are always in motion

• They neutralize electric fields

• They consist of equal and opposite charges

• They produce an electric field

• They exist only in conductive materials

Which two properties influence the force between two point charges?

• The temperature of the medium

• The magnitude of the charges

• The shape of the charges

• The distance between the charges

• The resistance of the conductor

Which two factors influence the electric potential of a point charge?

• The material of the conductor

• The charge magnitude

• The speed of the charge

• The distance from the charge

• The direction of the field