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How do you combine resistors is series and parallel?

In a series circuit each resistor will have the same current passing through it. If we assume that the wires connecting the resistors have no resistance, then the total potential difference, V, is given ...

Answered by Matt Q. • Physics tutor

4215 Views

Describe the process of PCR, including what is needed.

Chemical components needed: a DNA template, DNA polymerase enzyme, primers, nucleotides and reaction buffer.

Steps in PCR:

Denaturation 96 degrees, to seperate DNA strands

KS
Answered by Kavi S. • Biology tutor
3103 Views

Simplify √32 + √18 giving your answer in the form of a√2.

√32 + √18

= 4√2 + 3√2

= 7√2

Answered by Kavi S. • Maths tutor

8878 Views

How does the heart work to pump blood around the body?

Firstly, I would ensure that the student understands the basics concepts of atrial systole, ventricular syotle and diastole and the pathway of the blood around the heart. Then I would further explain the ...

Answered by Sophie C. • Biology tutor

3281 Views

A stone, of mass m , falls vertically downwards under gravity through still water. The initial speed of the stone is u . Find an expression for v at time t .

Ma = mg - Lmv 2) dv/dt = g-Lv 3)-1/L *(ln(g -Lv)/(g - Lu)) = t 4) g - Lv/ g - Lu = e^-Lt 5) Rearrange to.... v = 1/L *(g-(g - Lu) e^-Lt) Missed some steps as i...

Answered by Joseph W. • Maths tutor

4071 Views