Magnets
Electricity
Ohms Law
Circuits
Review
100
Where is the strongest part of a magnet
The poles (the ends)
100
Which type of electricity occurs from a build up of charge?
Static
100
What is the formula for Ohm's law?
V=I*R
100
What is a parallel circuit?
A circuit with more than 1 path for electrons to flow
100
What is kinetic energy?
Energy of an object in motion
200
What type of material is magnetic
metals
200
What are the three ways to create static electricity?
Conduction, induction, and friction
200
What is the unit for current?
Amperes (amps)
200
What is a series circuit?
A circuit where there is only one path for electrons to flow
200
What type of wave does the energy and matter of the wave move perpendicular to each other
Transverse
300
What happens when two north poles of a magnet face each other
They repel
300
What is circuit electricity?
When electrons flow or move
300
What is the unit for resistance?
Ohm's or Ω
300
What is the symbol for a battery in a circuit?
300
What is the lowest part of a wave called?
Trough
400
What is a wire wrapped around a metal cylinder attached to a battery form?
Electromagnet
400
Rubbing a balloon on your hair to charge it is an example of which method of charging static electricity?
Friction
400
A circuit has a voltage of 500 V and a resistance of 100 Ω. What is the current?
5 Amps or 5 A
400
What happens to bulb 1 and 3 if bulb 2 goes out?
They stay lit... they also get brighter (optional)
400
What is the potential energy of an object that has a mass of 15 kg and is at 10 m height?
1470 N
500
Which metals, name them specifically, are magnetic. There are 3
Iron, Cobalt, and Nickel
500
Which subatomic particle in the atom causes electricity?
Electrons
500
What is the resistance in a circuit that has 15 A and 300 V
20 Ω
500
What happens to the other bulbs if one goes out? Why?
They all go out. This is a series circuit and the electron path is cut.
500
What is the IMA of this simple machine?
3