Electromagnetic Forces

Quiz
•
Physics
•
11th Grade
•
Medium
Standards-aligned
Charles Martinez
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A straight wire carrying a current produces a magnetic field.
Which diagram shows the correct shape of the field?
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagrams show a straight wire carrying a current into the paper.
Which diagram shows the magnetic field pattern due to this current?
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the electric current in wire XY is in the direction shown, there is an upward force on the wire.
If the north and south poles of the magnet exchange positions, in which direction will the force on the wire act?
downwards
upwards
to the left
to the right
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A current-carrying coil in a magnetic field experiences a turning effect.
How can the turning effect be increased?
increase the number of turns on the coil
reduce the size of the current
reverse the direction of the magnetic field
use thinner wire for the coil
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows an electrical device. What is this electrical device?
a d.c. motor
an a.c. generator
a magnetising coil
a transformer
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A wire perpendicular to the page carries an electric current in a direction out of the page. There are four compasses near the wire.
Which compass shows the direction of the magnetic field caused by the current?A
A
B
C
D
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows a horizontal wire between the two magnetic poles of a U-shaped magnet.
The U-shaped magnet is on a balance.
When the switch closed, the reading on the balance decreases.
The experiment is carried out three more times with the following changes made.
1 Only the current is reversed.
2 Only the magnetic field is reversed.
3 Both the current and the magnetic field are reversed at the same time.
Which changes cause an increase in the reading on the balance?
1 only
2 only
3 only
1 and 2 only
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
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