
11.2 & 11.4 - Electromagnetism
Presentation
•
Physics
•
9th Grade
•
Practice Problem
•
Medium
+4
Standards-aligned
Alaa Mattar
Used 8+ times
FREE Resource
10 Slides • 12 Questions
1
11.2 Applications of Induced Current
By Ms. Alaa Mattar
2
Warmer Activity
By Ms. Alaa Mattar
3
Multiple Choice
Magnetic field lines go from:
South to North
North to South
4
Learning Check Point 1
By Ms. Alaa Mattar
5
Multiple Choice
What is Lenz's Law?
is when an induced electric current flows in a direction such that the current opposes the change that induced it.
the property of a wire to create an induced EMF that opposes the change in the potential difference across the wire
6
Multiple Choice
If a generator is not in a circuit does it generate current?
Nooo way
Yesss
7
Multiple Choice
When a mechanical load is placed on a motor, the rotation of the motor _____
slows
speeds up
8
Learning Check Point 2
By Ms. Alaa Mattar
9
Multiple Choice
Where can we find eddy current?
Inside the coil
inside a conductor (such as a metal)
10
Multiple Choice
Which is the term for the property of a wire to create an induced EMF that opposes the change in the potential difference across the wire?
resistivity
conductivity
self-inductance
mutual inductance
11
Plenary
That is enough physics for today
By Ms. Alaa Mattar
12
Open Ended
Any questions?
13
11.4 Applications of Induced Current
By Ms. Alaa Mattar
14
Learning Check Point 1
By Ms. Alaa Mattar
15
Multiple Choice
A radio-wave has a wavelength that is closest to the size of a(n) _______.
house
molecule
cell
proton
16
Multiple Choice
An infrared wave has a wavelength that is closest to the size of a(n) _______.
house
molecule
cell
proton
17
Learning Check Point 2
By Ms. Alaa Mattar
18
Multiple Choice
Which is the term for a device that converts voice, music, pictures, or data to electronic signals, amplifies the signals, and then sends the signals?
receiver
transmitter
dielectric
antenna
19
Learning Check Point 3
By Ms. Alaa Mattar
20
Multiple Choice
A wire antenna is most efficient when its length is _______ the length of the wave it is designed to detect
double
the same as
one-half
one-quarter
21
Plenary
Bye Bye Chapter 21!
By Ms. Alaa Mattar
22
Open Ended
Any questions?
11.2 Applications of Induced Current
By Ms. Alaa Mattar
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