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The voltage induced in a conductor is ___________ ___________ to the rate which the conductor cuts the magnetic lines of force.
In order for electromagnetic induction to occur, you need...
a magnetic field
In an AC generator, the wire loop which is mounted so that it rotates within a magnetic field is called the....
In an AC generator, the contacts are made from a soft but highly conductive material, usually carbon, and are called...
What is this?
AC generators convert ___________ energy to ____________energy.
What is the name of the effect caused by the wire when it is moved across a magnetic field?
Turning effect of coil
What does the index finger show you in the Flemming's right-hand rule?
Direction of current
Motion of wire
Direction of electric field
Direction of magnetic field
The Flemming's right-hand rule is used when ....
motion causes current
current causes motion
current causes potential difference
motion causes magnetic field
If the coil is moving anti-clockwise, state the direction of the current on the left wire.
Into the paper
Out of the paper
The electricity generated from the power plant is
At the power plant the turbine is connected to a __________?
Super heated steam is used to turn a ______________?
In a _______ a spinning turbine moves magnets which generates an electric current.
Every magnet, regardless of its shape, has two
Electric current from a generating plant is
direct current transmitted at high voltages, but usually used at low voltages
alternating current transmitted at high voltages, but usually used at low voltages.
alternating current transmitted at low voltages, but usually used at high voltages.
direct current transmitted at low voltages, but usually used at high voltages.