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Additional Physics
19 cards·by olimyers1919
What is measured in amperes (amps)?
current
What is the relationship between the CURRENT of two components on the same SERIES circuit?
equal
What is the relationship between the VELOCITY of two components on the same SERIES circuit?
it is shared
What is the relationship between the VELOCITY of two components on the same PARALLEL circuit?
it is shared
What is the relationship between the CURRENT of two components on the same PARALLEL circuit?
equal
What happens to the resistance as the length of the wire decreases?
it decreases
What happens to the resistance as the thickness of the wire decreases?
it increases
When components are connected in series, what is their total resistance?
the sum of their individual resistances
What happens to the resistance of a thermistor as the temperature increases?
it decreases
What happens to the resistance of an LDR as light intensity decreases?
it increases
Why are the outer layers of a plug made of plastic?
plastic is a good insulator
What is direct current (d.c.)?
when the current flows in only one direction
What is alternating current?
when the current constantly changes direction
What are isotopes?
atoms with the same number of protons but different numbers of neutrons
What is the change in number of protons and neutrons when an ALPHA particle decays from a
nucleus?
-2
What is the change in number of PROTONS when a BETA particle decays from a nucleus?
+1
What is the change in number of NEUTRONS when a beta particle decays from a nucleus?
-1
What is nuclear fission?
the splitting of a nucleus
What is nuclear fusion?
the joining of two nuclei