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Explain why after walking on a nylon carpet you may get a small shock when you touch a metal door handle?
Two positive charges _________ each other.
repel
attract
alike
Two negative charges __________ each other.
attract
repel
like
A positive and a negative charge will _________ each other.
repel
attract
unlike
An object that gains electrons becomes?
negative
positive
charged
Explain the difference between a conductor and an insulator?
Charge is measured in ?
C
KW
Watts
What instrument is used to measure electric current?
Name two materials that are good electrical conductors?
The equation to measure current is?
I= Q/T
I= QxT
I = T/Q
How many milliamps are there in one amp?
What do the letters e.m.f stand for?
What is used to measure the p.d?
ammeter
current
voltmeter
The equation for resistance is?
R=V/I
R= VXI
R=IXV
