Formulas (math) Flashcards
(5 cards)
1
Q
What is the formula for Efficiency?
A
useful energy output/total energy input x 100%
2
Q
What is the formula to find resistance?
A
Ohm’s law
R=V divided by I
In triangle - R and i beside and V on top
3
Q
What is the formula to find Power in watts?
A
P= IxV
in triangle- P on top and I and V together
OR
P= E(energy in joules) divided by t (time in seconds)
4
Q
How to find LD50?
A
screenshot
5
Q
How to find ppm or ppb?
A
Screenshot
