magnetism and electricity

Which of these forces works only by combining electric and magnetic forces?

• Magnetic

• Electric

• Electromagnetism

In a magnet the opposite poles will ___________.

• attract

• repel

Electric charges that DO NOT move through a current are known as

• Magnetic

• Electric

• Electromagnetism

• Static Electricity

What makes an electromagnet stronger?

• greater number of loops

• smaller number of loops

• decreasing the current

• decreasing the voltage

What makes an electromagnet stronger?

• greater number of loops

• smaller number of loops

• decreasing the current

• decreasing the voltage

current flowing through a wire is surrounded by a/an

• force field

• magnetic force

• nothing

two type of charges in electric and magnetic forces are

• north and south

• east and west

• positive and negative

• beyonce

when electrons all spin in the same direction, they create an invisible force known as

• electricity

• magnetism

• motor

• electrons

All the lamps in this circuit have the same resistance. What is the reading of voltmeter V₂?

• 2.5V

• 1.0V

• 0.5V

All the lamps in this circuit have the same resistance. What are the readings of ammeters A_{1 and} A₂?

• A1 = 0.5A A2 = 1.0A

• A1 = 1.0A and A2 = 1.5A

• A1 = 0.5A and A2 = 0.5A