Electromagnets

If current doubles

• The magnetic field strength triples.

• The magnetic field strength doubles.

• The magnetic field strength quadruples.

• Not enough information.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

How will an electromagnet’s strength change if the amount of current traveling through it decreases?

• A.

  The electromagnetic field will become weaker.

• B.

  The electromagnetic field will become stronger.

• C.

  The electromagnetic field will remain the same.

• D.

  The electromagnetic field will reverse direction.
  

Tags

NGSS.HS-PS2-5

What will happen to the magnetic field that is generated by an electromagnet when LESS current is present in the circuit?

• A.

  The magnetic field will increase as current increases

• B.

  The magnetic field will decrease as current increases

• C.

  The magnetic field is reversed every time the current is increased

• D.

  The magnetic field is not affected by increases or decreases in current

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Doubling the electric current in an electromagnet will double its strength.

• TRUE

• FALSE

• ALL THE ABOVE

• BOTH TRUE AND FALSE

Tags

NGSS.HS-PS2-5

Tripling the turns of wire in an electromagnet will triples its strength.

• True

• False

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Tripling the turns of wire in an electromagnet will doubles its strength.

• True

• False

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5