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Physics 2 test 3
Terms in this set (19)
What does emf stand for:
Stands for electromotive force, which is a violate or electric potential difference capable of creating an electric current.
What are the three factors that affect a magnetic field:
-Strength of the magnetic field
-Area of the loop
-The angle between the magnetic field perpendicular to the magnetic flux
Predicts how a magnetic field will interact with a electric circuit to produce electromagnetic induction.
What is the formula if you want to know the total emf in a coil:
emf equals the number of loops in the coil multiplied by the change in the magnetic flux over the change in time all multiplied by negative one.
-How conducting materials is affected by a magnetic field.
-Therefore it will be the product between the strength of the magnetic field and the cross-sectional area perpendicular to the magnetic field.
Focal length for a converging (concave mirror):
F and R will be positive.
Focal length for a Diverging (convex mirror):
F and R will be negative.
The distance between the mirror or lens and the object
If the object is in front of the mirror:
Object distance is positive and is a real image.
If the object is in behind the mirror:
Object distance is negative and is a virtual object.
distance from the image to the center of the lens/mirror
If the image is formed in front of the mirror:
The image distance is positive and it is a real image.
If the image is formed behind the mirror:
The image distance is negative and it is a virtual image.
Lateral magnification factor (M):
tells whether an image is enlarged or reduced in relation to an object and if it is upside down or not.
Lateral magnification and Image Orientation if the image is upright with respect to the object:
The Image is positive.
Lateral magnification and Image Orientation if the image is inverted with respect to the object:
The Image is negative.
Alternative form spherical mirror equation when you want to find Image distance:
Minimum film thickness for destructive interference is:
Minimum film thickness for constructive interference is:
THIS SET IS OFTEN IN FOLDERS WITH...
Physics 2 Test 3
Test 3 physics 2
Physics 2 Test 3
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