Worksheetselectromagnetic fields
Total questions: 12
Worksheet time: 14mins
what is a solenoid?
a wire carrying a current
a magnet eating pizza
a current carrying coiled wire
how does an electric current produce a magnetic field?
with friction
when electricity is in motion
when electrical charge is in motion
with force and friction
Current is carried by a long straight wire designated by the black x. Current is flowing into the page. What direction is magnetic field directed?
out of the page
into the page
clockwise
counterclockwise
A magnetic field is shown directed counterclockwise around a long, straight current-carrying wire. The wire carries current in the ________ direction.
up (y)
down (-y)
into the page (-z)
out of the page (z)
Which two are true about the electromagnet?
The magnetic field points down (-y) inside the nail.
The magnetic field points up (+y) inside the nail.
The paperclips are attached to the north pole.
The paperclips are attached to the south pole.
A solenoid is viewed from the side such that its field is seen going into the page. The current in the solenoid must be traveling ________.
clockwise
counterclockwise
into the page
out of the page
Which of the following is true about the magnetic field formed inside the solenoid? (choose all applicable)
It points from left to right.
It points from right to left.
The left side of the solenoid is the north pole.
The right side of the solenoid is the north pole.
Using the right hand rule, B represents the direction of the
current
magnetic field
Using the right hand grip rule, A represents the direction of the
current
magnetic field
Using the 1st right hand rule, if the electron flow is into the screen then the magnetic fields will flow from...
A to D to C to B and around
A to B to C to D and around
A to C to D to B and around
A to C to B to D and around
