Physics Worksheet

What happens when two objects have opposite charges?

• A) They repel each other.

• B) They attract each other.

• C) They have no interaction.

• D) They neutralize each other.

What types of forces can exert influence over large distances?

• both electric and gravitational forces

• neither electric nor gravitational forces

• electric force only

• gravitational force only

Which device is known for transforming chemical energy into electrical energy?

• inductor

• solar panel

• battery

• transformer

Which component is characterized by its ability to impede electrical flow and is essential for regulating current in a circuit?

• capacitor

• resistor

• transformer

• conductor

Which component provides a path for electric charges to move in a controlled manner?

• electric field

• electric circuit

• magnetic field

• insulator

In what units do electric companies typically bill their customers for electrical energy consumption?

• kilowatt-hours

• amperes

• watts

• volts

In the circuit shown below, which bulb, when removed, will cause all other bulbs to stop glowing?

• The bulb in series with all others

• A bulb placed in a parallel branch

• The bulb at the far left

• The bulb at the far right

Consider two charged objects placed near each other. Altering the charge on one of the objects affects which aspect of the gravitational force between them?

• It enhances the gravitational force

• It diminishes the gravitational force

• It does not alter the gravitational force

• The gravitational force changes direction

What is the area surrounding a magnet where magnetic forces are active called?

• magnetic pole

• electromagnetic pole

• magnetic field

• magnetic domain

What happens to the magnetic field of an electromagnet when the current is increased?

• The magnetic field remains unchanged

• Both the strength and direction of the magnetic field change

• Only the direction of the magnetic field changes

• Only the strength of the magnetic field changes