Static Electricity
Coulomb's Law
Circuits
Ohm's Law
Power
100
The positively charged particles that are found in the nucleus of an atom and do not move.
What are protons.
100
-1.0 x 10^-19 Coulombs.
What is the charge of an electron.
100
The flow of charges.
What is current.
100
The meaning of I in the equation I= V/R.
What is current.
100
Watts.
What is the unit for power.
200
The negatively charged particles that surround the nucleus of atom (like a cloud) and can move from atom to atom.
What are electrons.
200
If q1 and q2 are the same object with the same charge what will the resulting force be between them?
a repulsive force.
200
The energy for each unit of charge.
What is voltage.
200
This device uses chemical energy to push current in a circuit.
What is a battery.
200
You purchase this from the electric company.
What is energy in kwh.
300
This force binds the electrons to the nucleus of an atom.
What is electromagnetic force.
300
What happens to the electric force when the charge is doubled on one object?
The electric force doubles.
300
A circuit with a very low resistance, drawing a large amount of current, and a light bulb that will not light.
What is a short circuit.
300
A circuit has a constant voltage and the resistance is increased, what happens to the current?
Current decreases.
300
This kind of circuit is how your home is wired.
parallel circuit
400
Draw and Predict the outcome of charge distribution: A negatively charged rod is brought close (not touching) to a metal conducting sphere that is sitting on a wooden block.
What is induced charged in metal conducting sphere.
400
What happens to the electric force when the distance between the two charged objects triples?
The electric force will decrease by a factor of 9. ( x 1/9)
400
A single path for the flow of electrons.
What is a series circuit.
400
A series circuit has a current of 4 amps and a resistance of 3 ohms. What is the voltage?
12 volts
400
A 45 Watt light bulb uses 45 ____________.
Joules of energy every second.
500
The force that occurs when a negatively charged rod is brought close to a neutrally charged can.
What is attraction.
500
Determine the electric force between two charged objects separated by a distance of 0.4 m. The charge of each object is 3 x 10^-6 C. k= 9 x 10^9
0.5 N
500
A circuit that has two or more paths for electrons to flow.
What is a parallel circuit.
500
A computer runs on a 24 volt battery. If the resistance of the circuit is 16 ohms, how much current does it use?
1.5 Amps
500
How much would it cost to operate a 40-watt light bulb for 10 hours if the cost of electric energy is $0.20 per kilowatt-hour?
$0.08
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