Download 2015 chapter 16-17 study guide

There is a repulsive force between two charged objects when?
There is an attractive force between two charged objects when?
When there is an equal amount of positive and negative charges on an object, the object is?
Electric force varies depending on the?
Electric field lines?
Electric field lines indicate?
An electric current is produced when charges are accelerated by an electric field to move to a position of
potential energy that is?
Current is the rate at which charges move through a(n)?
The brightness of a light bulb is determined by its filament’s?
Whether or not charges will move in a material depends partly on how tightly _____ are held in
the atoms of the material.?
What happens to the resistance of a superconductor when its temperature drops below the critical temperature?
Appliances connected so that they form a single pathway for charges to flow are connected in a(n)?
What happens to the overall resistance of a circuit when too many appliances are connected across a 120 V outlet?
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The magnetism of a piece of magnetized iron can be weakened by?
What material was used to make the first compass?
Magnetic fields are produced by?
A magnetic field around a current-carrying wire forms?
The strength of a magnetic field created by current in a wire can be increased by?
The strength of the magnetic field of a solenoid can be increased by?
The strength of the magnetic field of a solenoid can be increased by?
When an iron rod is inserted into a solenoid’s center, the magnetic field produced by the current in the
loops?
A potential difference causes?
When a charge moves along or opposite the direction of the magnetic field lines, the magnetic force is?
In an AC generator, the magnitude of the current produced?
In an AC generator, when charges experience the most rapid change in magnetic force?
When a wire is moving parallel to a magnetic field?
Both electric and magnetic fields in an electromagnetic wave are?
A transformer changes?