Coulomb's Law
Electric Fields
Conceptual Math
Concepts
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100
The equation used to calculate the force between charges. (must spell correctly)
What is Coulomb's Law?
100
N/C
What is the unit of an electric field?
100
If you have two equal charges applying a force, F, on each other and you double the charge of each, then what would the force be? Answer in variables when applicable.
4F
100
Denoting that an electric force has both magnitude and direction.
What is a vector?
100
Do this math 5+2+3 =?
But the answer is not 10, what is it then?1010
200
Calculate the electric force between two charges of 25e-6 C and 75 mC that are 10 cm apart.
1685625 N
200
What is the magnitude of an electric field 25 cm away from a charge of 90 E-6C?
12,945,600 N/C
200
If you have force F between two charges, what will happen to the force if you triple the distance between the two?
It will lower to (1/9)F
200
A theoretical concept that imagines that charges emits something around them.
What are electric fields?
200
British scientist who contributed to the study of electricity and magnetism.
Who is Michael Faraday?
300
What is the distance between two charges of 5 E-6C if the force exerted on each other is 5 N?
.212 m
300
The electric force on a 3.9E-6C charge is 4.92E-7N. What is the electric field at the position of the charge?
.126 N/C
300
If you have two charges that exert a force of F on one another. If the two charges quadrable in charge each, what else must change and by how much for the force to be the same?
The distance must also quadrable
300
Where you must add each field or force vectorially from each charge.
What is the principle of superposition?
300
A physicist.
What is a narcissist?
400
Calculate the net force on B.
289.88 N
400
What is the net electric field from an iron nucleus (q = +26e) and its innermost orbit (1E-10m)?
3.74 E12 N/C
400
Ready, you have field E at point P exerted by two charges. You add a third charge 4Q that is r distance north of point P. Where must a fourth charge of Q be placed to counteract the third charge?
It must be 2r south
400
The force changes inversely proportional to the square of the distance from the source.
What is the inverse square law?
400
When you need me, you throw me away.
But when you're done with me, you bring me back.What am I?
An anchor
500
What are the units of k?
m2N/C2
500
If a charge is placed in the center like so, what will happened to that charge assuming the other four charges are fixed in position?
The charge will not move
500
If you have force F {i} exerted by three charges onto charge 6Q at point P. What is the magnitude and direction of E if another charge of 2Q is placed r in the positive y direction? (answer in terms of k, F, Q, and r)
(F/6Q) {i} - (k2Q/r2) {j}
500
In our model (equations and theoretical constructs) of electric charges, what is largest hole in our theory?
(I will only answer if a group got it correct)
500
Why did the blonde tip toe near the medicine cabinet?
Because she didn't want to wake the sleeping pills