Vocabulary
Area around a charged particle that affects other charges that enter the space.
Electric Field page 376
All electrical charges _______ or ______ one another.
Attract or repel pg. 374
James Clerk Maxwell teamed up with _______ _______ to make real advances in the study of electricity and magnetism.
Michael Faraday. page 370
True or False: Electricity and magnetism are different facets of the same force.
True. page 370
When you jump on a trampoline on a dry day and your hair static-y and stands on end is an example of...
Charging by Friction pg. 377
A circuit that does not have a complete connection between the two sides of the power source; as a result, current does not flow.
Open circuit
The force between two charged objects is directly ____________ to the amount of charge on each object
proportional pg. 374
Opposite charges ________ one another.
Attract. pg. 373
Electrical force depends on the charge of the particles and the distance between them.
True. page 373
When a metal stovetop burner emits heat, the burner's resistance converts the ______ energy of the flowing electrons to ______ energy.
Kinetic to thermal pg. 389
The rate of flow of electrons moving past a fixed point in an electrical circuit
Electric Current
The force between two charged objects is _________ proportional to the square of the distance between them.
inversely pg. 374
Electric field line arrows point _______ a positive charge.
Away from pg. 376
True or False: Magnetic fields are weakest at the poles of a magnet
False. pg. 396
An electrical device needs an _____ circuit to be able to work.
closed, pg. 390
Resistance pg. 387
Which scientist is referred to as the "founder of physics" after demonstrating that both electricity and magnetism are different aspects of the same force?
James Clerk Maxwell.
When studying electrical circuits, we need to know both the current and the ________ .
Voltage.
True or False: Charging an object by allowing it to come into contact with an object that already has an electrical charge is called charging by convection.
False
Why does a compass point north?
Because it aligns with earth's magnetic field pg. 398
Current that flows from the positive side of the battery to the negative side; this is the way current is drawn in circuit diagrams, even though it is wrong.
Conventional Current pg. 386
Current is usually measured in _______.
Amperes
An electrical _________ is any material through which electrons cannot easily flow.
Insulator.
An electrical conductor is any material which electrons can not easily flow.
False. (CAN easily flow)
The Van de Graaff generator exemplifies what kind of charging?
Charging by conduction pg. 378