Questions Flashcards
1
Q
A substance that has mass and volume composed of_
A
Matter
2
Q
What is an atom composed of
A
Neutrons
Protons
Electrons
3
Q
What is the function of LED
A
Convert electrical energy directly into light
4
Q
Function of a cell?
A
Converts stored chemical energy into electrical potential energy
5
Q
Function of bulb?
A
Converts electrical energy to light
6
Q
How to calculate current
A
I=V÷R (A)
7
Q
How to calculate voltage
A
V=I×R (V)
8
Q
Calculate resistance
A
R=V÷I ( )
