E&M

What happens to the galvanometer if the copper rod is moved upwards?

• No change

• Deflect to the right

• Deflect to the left

• Deflect to the right and left

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which action will increase the deflection of the galvanometer pointer?

• The magnetic pole is reversed

• The number of turns of coils is increased

• The coil is made from insulated wire

• The magnet is slowly pushed into the coil

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The voltmeter is at 0 in this image. How would you manipulate the experiment to create electricity (measured in volts)?

• Flip the magnet around so the North pole is facing out
• Move the magnet back and forth
• Take the magnet out
• Add more coils around the paper cylinder

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

How could the experimenter increase the amount of electricity being induced by this experiment?

• Increase the number of coils
• Decrease the number of coils
• Flip the magnet around
• Nothing, the amount of electricity cannot be increased

Tags

NGSS.HS-PS2-5

What benefit is gained by the addition of the iron core in an electromagnet?

• It makes a strong magnet weaker
• It makes a weak magnet stronger
• There is no benefit at all
• It lets currents interact with each other

Tags

NGSS.HS-PS2-5

As the north pole of the magnet is moved into the coil, the magnetic flux is _________.

• increasing

• decreasing

• remains constant

• depends on the speed of the magnet

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the Pole at X

• North

• South

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What happen to the Galvanometer?

• Deflected to the right

• Deflected to the left

• Nothing happen

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Click all the factors affecting electromagnetic induction

• Strength of magnet

• The area of the coil

• The speed of movement

• Number of turns of coil

• The position of poles

Tags

NGSS.HS-PS2-5

The graph represents

• DC Generator

• AC Generator

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3