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Worksheetsфизика 1
Total questions: 15
Worksheet time: 8mins
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
Which two materials are commonly used as dielectrics in capacitors?
Ceramic
Aluminum
Glass
Copper
Steel
Which two properties define a conductor in electrostatic equilibrium?
The electric potential varies at different points
All charge resides on the surface
The conductor produces its own electric field
The electric field inside is zero
Charge is uniformly distributed throughout the volume
Which two statements about electric flux are correct?
It depends on the temperature of the surface
It depends on the orientation of the surface
It depends only on the material of the conductor
It depends on the strength of the electric field
It is always positive
Which two factors influence the capacitance of a parallel plate capacitor?
The amount of charge
Plate area
The type of voltage source
Distance between plates
The shape of the plates
Which two characteristics define an equipotential surface?
The electric field is always perpendicular to the surface
No work is required to move a charge along the surface
The surface contains no charge
The electric potential is the same at all points
The potential varies with distance
