физика 1

Which of the following factors affect the force between two charges?

• The material of the objects

• The distance between the charges

• The temperature of the objects

• The shape of the objects

• The amount of charge on each object

Which two factors affect the capacitance of a capacitor?

• The voltage applied

• The distance between the plates

• The power of the circuit

• The size of the plates

• The number of free electrons

Which two of the following describe an electric field?

• It surrounds any charged object

• It is always visible

• It can be represented by field lines

• It is the same everywhere in space

• It is measured in watts

Which two of the following statements are true about electric potential?

• It is always zero

• It is measured in volts

• It can be negative

• It depends on resistance

• It has no connection to electric fields

Which two factors affect the electric flux through a surface?

• The speed of the charge

• The strength of the electric field

• The mass of the charged object

• The angle of the surface

• The shape of the surface

Which two statements about electric field lines are correct?

• They can form closed loops

• They show the direction of force on a positive charge

• They are only found in circuits

• They always point away from positive charges

• They can cross each other

Which two factors affect the force between two charges?

• The material of the objects

• The magnitude of the charges

• The speed of the charges

• The shape of the objects

• The distance between them

Which two factors influence capacitance?

• Plate area

• Resistance of the capacitor

• The temperature of the environment

• Distance between plates

• Thickness of plates

Which two quantities affect the strength of an electric field?

• Material of the conductor

• Charge magnitude

• Shape of the object

• Distance from the charge

• Temperature

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

• The charge magnitude

• The resistance of the medium

• The electric potential at its position

• The velocity of the charge

• The shape of the charge