Charges in an uncharged metal object are rearranged without direct contact with a charged object.
What is Induction?
100
The potential difference between two points in a circuit.
What is voltage?
100
The ratio of voltage to current is a constant for each material.
What is Ohm's Law?
100
A complete closed path through which electric charges flow.
What is an electric circuit?
100
Ferro magnets and Electro magnets.
What are the two types of magnets?
200
You use ______ to see if something is charged.
What is electroscope?
200
These change chemical or radiant energy into electrical energy and are a mixture of chemicals called electrolytes and a pair of electrodes.
What is a cell and what are it's parts?
200
V=I x R.
(V)= the difference in VOLTS between 2 locations (V).
(I)= the amount of current in AMERES (A).
(R)= the resistance in OHM'S of the conductor (Ω).
What is the formula for Ohm's Law and what does it stand for?
200
A complete path through which electric charges flow.
What is an electric circuit?
200
Dropping a magnet, putting a magnet in a strong magnetic field that is opposite of it, or increasing it's temperature are ways to do this... _____.
What are three ways a magnet can become demagnetize?
300
These parts of an atom are negatively charged.
What is an electron?
300
Alternating Current in which the charges shift from flowing one direction to in the reverse direction and Direct current is when the charges flow in the same direction.
What are AC and DC and how are they different?
300
As the _______ goes up, the ______ goes down.
What is resistance and current?
300
Battery(energy source), wires(path electricity flows through), and load(what you're powering and where the electricity flows to).
What are the 3 basic parts of an electric circuit and what do they do?
300
Any material that attracts iron or materials containing iron.
What is a magnet?
400
The tiny particles that make up matter.
What is atoms?
400
The opposition to the flow of electric charge.
What is resistance?
400
The rate at which electrical energy is changed into other forms of energy.
What is electric power?
400
Broken wires or water cause this...
What causes circuit failure?
400
The magnetic pole of earth is the closest to the geographic North Pole is a magnetic South Pole.
Why does a compass needle always point to the north geographic pole?
500
Rubber, glass, paper, and teflon are examples of _____.
What are insulators?
500
Thermocouples is thermal energy that can be converted into electrical energy and Photocells convert light energy into electrical energy.
What are the types of cells and what do they do?
500
Georg ________ the resistance of materials.
Who created Ohm's Law and what did he study?
500
Series circuit: a circuit in which all parts are connected in a single loop.
Parallel circuit: a circuit in which loads are connected side by side.
What are the types of circuits and what do they do?
500
They have 2 poles that exert forces on each other and are surrounded by a magnetic field.