Electromagnetism
Waves and sound
Electricity/Circuits
Circuits calculations
Refraction
100
Two states of electricity
Potential, Kinetic
100
The crest is the ____ part of the wave
Highest
100
Power is measured in
watts
100
What is the Ohm's Law equation
V = IR
100
Refraction
Bending of light when it travels from one medium to another.
200
What is kinetic energy?
Energy in motion
200
Distance between two crests or troughs is the _____
Wavelength
200
A series circuit contains _____ path(s) for current flow.
A paralell circuit conains _____ path(s) for current flow
One
More than one
200
An alarm clock draws 0.5 A of current when it's connected to a 120 volt circuit. Calculate its resistance.
240 Ohms
200
Instruments that demonstrate refraction
Magnifying glasses, Lenses, Prisms
300
What is potential Energy?
Stored energy when an object is at rest.
300
Two types of wave interference
Constructive, Destructive
300
What is resistance (the opposition of current flow) measured in?
Ohms
300
What current flows through a hair dryer plugged into a 120 volt circuit if it has a resistance of 25 Ohms?
4.8 A
300
Snell's Law
400
Amount of kinetic energy depends on?
Mass, Speed
400
The doppler effect is most common with what type of wave?
Sound Waves
400
How do you calculate for total resistance in a series circuit
R1+R2+R3
Addition of all the resistors.
400
A 12 volt car battery pushes through the headlight circuit resistance of 10 Ohms. How much current is passing through the circuit?
1.2 A
400
Example of mirage
Mirror, Pool Water
500
True or False: The closer two chargers are, the less the force is on them.
False
500
Doppler Effect - The change in ______ of a wave because of the producer and observer have different ________
Frequency, positions
500
A flashlight uses a 6 volt battery and has a bulb with a resistance of 150 Ohms. When the flashlight is on, how much current will be drawn from the battery?
I = V/R
0.04 A
500
A circuit contains a 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current
0.5 A
500
Angle of Incidence
Angle between the normal and ray of light