P3.1 Flashcards
1
Q
In a magnet diagram, where would the arrows go in and out?
A
They would go in the negative pole and out the positives pole.
2
Q
Do positive charges move?
A
No
3
Q
How do you calculate charge?
A
Current (A) x time (s)
4
Q
How would you neutralise lightning?
A
Get a metal rod and use a metal wire to connect it to the earth as the lighting is positively charged and the earth is negatively charged.
5
Q
How many electrons are in a ‘blue blob’
A
6.25 x 10 to the power of 18
6
Q
What is 1 coulomb of charge (1c’)
A
6.25 x 10 to the power of 18
7
Q
What does an ammeter do?
A
It counts how many coulombs enter and exit per second
8
Q
What is 1 amp?
A
1c/s
9
Q
What is the symbol for current?
A
A capital I
