AC Generator
This is the direction magnetic field lines point
What is North to South?
What is F = ma?
This states that energy cannot be created or destroyed
What is the conservation of energy ?
This is made of turns of wire and is rectangular so its sides are perpendicular to the magnetic field.
What is coil (or armature) ?
This is the letter used to represent magnetic flux density
What is B?
This is the equation for Pressure
What is P = F / A ?
This is the main source of energy for all energy resources on earth (except 3)
What is solar energy / energy from the sun ?
According to Faraday's Law, Changing the magnetic flux of a closed loop causes this.
What is emf or voltage?
This is the units of charge
This is the equation for kinetic energy
What is Ek = 1/2 * m * v2
These energy types are the only ones that don't originate from the sun
What is geothermal, nuclear and tidal?
these are cylindrical conductors that make constant connection with a rotating coil in an AC generator?
What is a slip ring?
This is the direction of electron flow in a circuit
From negative to positive
What is Force * Time ? (Also accept change in momentum, or mass * change in velocity)
This is the equation for efficiency
What is "useful energy output / total energy input *100% " OR "useful power output / total power input *100%"
These make an electrical connection between the slip rings and the rest of the circuit to avoid the wires becoming twisted
What is carbon brushes?
This is the equation for E.m.f.
What is "work done / charge" ?
This is the equation for orbital speed (Hint: circumference)
What is (2 * pi * r) / T ?
This is the equation for Power
What is "Work done / time" OR "Change in energy / time"