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Inventor of the electrical generator and the electrical transformer.
a. Michael Faraday
b. Charles Augustin de Coulomb
c. Hans Geiger
a. Michael Faraday
Charging an object without direct contact between the object and a charge.
a. Charging by Induction
b. Charging by Conduction
c. Charging by Friction
a. Charging by induction
The ability of a material to impede the flow of charge
a. Conduction
b. Induction
c. Resistance
c. Resistance
The force a magnet exerts on another magnet, on metals, or on moving charges
a. Electric Force
b. Magnetic Force
c. Electromagnetic Force
b. Magnetic Force
Who incorrectly assumed that current flows due to moving positive charges?
a. Thomas Edison
b. Benjamin Franklin
c. Michael Faraday
b. Benjamin Franklin
A build up of electrical charges within or on the surface of a material
a. Electrical Current
b. Static Electricity
c. Conduction
b. Static Electricity
The amount of charge that travels past a fixed point in an electric circuit each second
a. Resistance
b. Electric Current
c. Energy
A circuit that does not have a complete connection between the two sides of the power source. As a result, current does not flow.
a. Open Circuit
b. Conventional Current
c. Electric Current
a. open circuit
The electromagnetic force between two charged objects is _______________ to the amount of charge of each object
a. Double
b. Inversely Proportional
c. Directly Proportional
c. Directly Proportional
Which is not an example of the effects of a current's resistance?
a. current causing metal to heat up.
b. current causing wire to glow red
c. electrons losing energy as the move along a wire
d. electrons gaining energy as the move along a wire.
d. electrons gaining energy as the move along a wire.
Charging an object by rubbing two items together where one transfers electrons to the other
a. Charging by friction
b. Charging by conduction
c. Charging by resistance
a. Charging by friction
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.
a. Electric current
b. Magnetic current
c. Conventional Current
c. Conventional current
A circuit that allow devices to work independently from each other
a. Closed Circuit
b. Perpendicular Circuit
c. Parallel Circuit
c. Parallel Circuit
When a student touches a Van de Graff generator, some the charges in the spherical machine are transferred to the student, making his hair stick outward. Which type of charging did he experience?
a. Charging by conduction
b. Charging by induction
c. Charging by friction
a. Charging by conduction
If a material has atoms that cannot be aligned (meaning its electrons have random flow), will the material be able to respond to a magnet?
a. Yes
b. No
c. Only with a strong magnet
b. no
A small "package" of light energy that acts like a particle.
a. Quark
b. Sonar
c. Photon
c. Photon
Materials through which electrons can easily flow
a. Electrical Conductors
b. Electrical Insulators
c. Open Circuits
a. Electrical Conductors
A cluster of many atoms that have their magnetic fields aligned and so act as a magnet
a. Polarized atoms
b. Magnetic Domain
c. Magnetic Force
b. Magnetic Domain
Electrical Current is usually measured in:
a. ohms and volts
b. amps and watts
c. amps and volts
c. amps and volts
Two charged objects are in a fixed position and the electromagnetic force between them is measured as 8 newtons. The objects are then pushed closer together so their distance is decreased by a factor of 2. What is the electrical force between them now?
a. 4 newtons
b. 16 newtons
c. 32 newtons
c. 32 Newtons
Charging of an object by allowing it to come into contact with an object that already has an electrical charge.
b. Charging by conduction
Materials in which electrons cannot easily flow
a. Open Circuits
b. Gamma Rays
c. Electrical Insulators
c. Electrical Insulators
Materials that become permanent magnets
a. Permamagnets
b. Polarized materials
c. Ferromagnetic materials
c. Ferromagnetic materials
Conventional Current
a. flows from the positive side of the battery to the negative side
b. flows from the negative side of the battery to the positive side
c. flows the the same direction as actual flow of the electons
a. flows from the positive side of the battery to the negative side
If you have a strand of Christmas lights and when one bulb goes out the whole strands goes out, how were the lights oriented?
a. in series
b. in parallel
c. in cluster
a. in series