
Magnetic Field Double Current
Authored by Charles Martinez
Physics
12th Grade
NGSS covered

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) A wire carries a current, creating a magnetic field around itself as shown. The current in the wire is:
A. Directed to the right
A. Directed to the left
A. Equal to the magnetic field
In the same direction as the magnetic field
Tags
NGSS.HS-PS2-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) The magnetic field inside the coil shown below is directed:
Into the page
Out the Page
To the left
Towards the bottom of the page
Tags
NGSS.HS-PS2-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) In the figure, using the right hand rule around a solenoid, which of the below statements is correct:
North Pole is 7 and South pole is 8
North Pole is 8 and South Pole is 7
There is no magnet, so no north or south
The current is flowing in the direction from 7 to 8
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) There are four coils of wire being used as electromagnets. They all have the same size and are made up of the same material but have a different number of loops. Which coil will produce a magnetic field with the maximum strength when the same amount of current passes through all coils?
a coil having 25 loops
a coil having 30 loops
a coil having 45 loops
a coil having 50 loops
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) A straight wire carries a current inside the paper. What is the direction of the magnetic field at point P?
Points to the right
Points to the left
Points to the top of the page
Points to the bottom of the page
Tags
NGSS.HS-PS2-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) A bar magnet is at rest, next to a fixed electromagnet. In which direction will the bar magnet move when switch S is closed?
to the left
to the right
up the page
down the page
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two parallel wires of length 2 m are separated by 40 cm. If the magnetic force between the two wires is 2 ×10^-6 N and the current in the second wire is twice the current in the first one.
1) Which of the following is true concerning the force between the two wires:
The magnetic force is a repulsion between wires
The magnetic force is an attraction between the wires
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
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