WorksheetsElectricity
Total questions: 15
Worksheet time: 8mins
semiconductor: a solid substance that has a conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects.
true
false
parallel circuits
multiply paths for the electricity to flow
one path for the electricity to flow
these have a positive charge
(a)
digital signal: continuously changing voltage in a circuit
true
false
neutrons are negative
true
false
which one is not an electronic?
computer
phone
tv
oven
anions: negative charged ions that have gained electrons
true
false
the force between the charged objects
volts
electric force
the force from Star Wars
protons
conductor: material that has high resistance to the
flow of electric current
false
true
electric current that flows in only one direction
(a)
Ohm’s law: voltage is equal to the current multiplied by the resistance
true
false
The opposition to the flow of electric charges that occurs when electric current travels through matter and it is caused by electrons in a current bumping into electrons and ions in the matter they are flowing through
(a)
what doesn't effect electrical resistance?
width
length
height
temperature
what is found in batteries?
alternating currents
direct currents
the branch of physics and technology concerned with the design of circuits using transistors and microchips, and with the behavior and movement of electrons in a semiconductor, conductor, vacuum, or gas.
semiconductor
electronics
electricity
insulator
