It's Magnetic!
Induction Junction
Which is Which?
What's That?!?
Math Madness
100
What are the two poles of a magnet?
What are the North and South Poles?
100
What does it mean to induce something?
What is "to create"?
100
How can you tell the difference between your right and left hand?
What is the Letter L on your left hand?
100
What magnetic force is being shown in the image?
What is attraction?
100
What unit is used for the strength of the induced magnetic field?
What is Gauss (G)?
200
What are the patterns in magnetic interactions?
What are opposite poles will attract and similar poles will repel?
200
Current flowing through a wire can induce what?
What is an induced magnetic field?
200
Which rule is used to predict the direction of an induced magnetic field?
What is the right hand rule?
200
Which magnetic force is being shown in the image?
What is repulsion?
200
Predict the strength of the induced field at point (110,0) if the current running through the wire is 30 amps. Round to the nearest hundredth (X.XX).
What is 0.54G?
300
How does a ferromagnetic material become magnetic?
What is by exposing it to an external magnetic field?
300
A moving wire loop above a magnet or a magnet moving around a wire loop induces what?
What is an induced electric field?
300
What does your thumb and fingers represent in the left hand rule?
What is the direction of the magnet and the direction of the induced electrical fields?
300
Which magnetic force is being shown in the image?
What is repulsion?
300
Predict the strength of the induced field at point (90,0) if the current running through the wire is 10 amps. Round to the nearest hundredth (X.XX).
What is 0.11G?
400
How would you describe the magnetic domains of an unmagnetized material?
What is pointing in random directions?
400
How can we increase the amount of current via electromagnetic induction?
What is increase the speed of the moving wire loop or moving magnet?
400
Which rule can you use to determine the direction of current in a wire loop if only the wire loop is moving, not the nearby magnet?
What is the left hand rule?
400
Which magnetic force is being shown in
the image?
What is attraction?
400
Predict the strength of the induced field at point (180,0) if the current running through the wire is 25 amps. Round to the nearest hundredth (X.XX).
0.28G
500
An electromagnet used at a junkyard to move vehicles is considered what type of magnet?
What is a temporary magnet?
500
What type of induction is used to generate electricity at power plants?
What is electromagnetic induction?
500
Which direction will current flow in a wire loop that is moving upwards and away from a stationary magnet?
What is counterclockwise?
500
What is the name of this Thanksgiving dish that is served during the NBC primetime football game on Thanksgiving day?
What is the Turducken?
500
A wire carries a current of 10 amps. A researcher finds that the strength of the induced magnetic field at a certain point is 0.50 G. What will the strength of the induced field be at the same point if the current is increased to 25 amps? Show your work! Round to the nearest hundredth (X.XX).
What is 1.25G?