Electricity
Circuits
Magnetism
E&M
Culbreth Lore
200

The amount of a field going through an area.

Flux

200

The combination of conservation of charge and conservation of energy that allows for the analysis of circuits by looking at loops and junctions. 

Kirchoff's Laws

200

The direction of the magnetic force on a positron if the positron is moving north and the magnetic field is directed upward. 

East

200

Maxwell's equations relate changing magnetic and electric fields which create this physical phenomenon. 

Light

200

Where Dr. Culbreth got his undergrad degree

Franklin & Marhsall College

400

The electric flux through a continuous surface is equal to the charge enclosed divided by the permittivity of free space. 

Gauss's Law

400

The sum of the current entering a junction is equal to the sum of the current leaving the junction.

The junction rule.

400

The magnetic field strength inside of a solenoid.

B = mu0 n I

400

When a circuit is in the steady state, inductors act in this manner. 

A bare wire.

400

Dr. Culbreth's favorite Pokemon

Tyranitar

600

The relationship between the electric field and electric potential with spherical symmetry

V = - integral of Edr or E = -dV/dr

600

The equivalent resistance for the following circuit

26 Ohms

600

The radius of the circle created by a charged particle moving  in a magnetic field. 

r = mv / qB

600

The relationship between the magnitudes of the magnetic and electric fields for a charged particle that is moving in a straight line perpendicular to both fields. 

E = vB

600

Dr. Culbreth's favorite anime

Kino's Journey

800

Planar symmetry, infinite sheets of charge, combinations of infinite sheets of charge, oppositely charged plates, linearly charged wires, spherically symmetric charge distributions on spheres or spherical shells of charge. 

Analytically solvable Gauss's Law geometries

800

The reading on the voltmeter for the below circuit the instant the switch is closed if each resistor has resistance 10 ohms and the battery supplies 5V.

1V

800

The magnitude and direction of the torque on the loop in the following image given that the axis shown is the z axis, the magnetic field strength is B, each side of the square loop has length L, and the current through the loop is I.

torque = IL2B in the -z direction

800

The equation for the emf induced in a solenoid by a changing magnetic flux through the solenoid. 

emf = -N d(fluxb) / dt

800

The 3 clubs Dr. Culbreth is the faculty advisor for

Nerd Club, Models & Miniatures, Physics Club
1000

The electric field at point p due to the disk of charge with uniform charge density shown below in the limit as R >> x

E = sigma/(2 epsilon0)

1000

The definition of current in a conductor is based on these 4 quantities. 

Number of charge carriers, charge of electron, the cross sectional area, and the drift velocity.

1000

The mathematical definition for the force due to a uniform magnetic field acting on a current carrying conductor. 

FM = integral (I dl x B)

1000

The equation for maximum current through an inductor in an Inductor - Capacitor circuit.

I = V / sqrt(LC)

1000

The name of all 7 of Dr. Culbreth's cats

Roxy, Cinder, Maija, Aspen, Mojave, Nox Harbinger of Darkness, Dr. Lumos Spritzer PhD.