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How can a MOSFET be used as a switch?

A MOSFET is a semiconductor device that can be used as an electronic switch or an amplifier. Some of its critical parts are the gate, source, drain, substrate and oxide insulator. Consider an n-channel en...

AS
5304 Views

What is homeostasis? Describe using an example.

Homeostasis can simply be described as the maintenance of a constant internal environment. Human bodies must get rid of accumulating toxic substances which can harm the body. Things like sugar concentrati...

TS
Answered by Tasneem S. Biology tutor
4354 Views

Sam uses 140g of flour to make 12 cakes. How much flour will Sam need to make 21 cakes?

140 / 12 = 11.666^.

11.66^. * 21 = 245

CN
Answered by Charlie N. Maths tutor
3422 Views

A sample of hydrochloric acid has a pH of 2.34. 
Write an expression for pH and calculate the concentration of this acid.

pH = -log([H+])

Therefore, 10^(-pH) = [H+]

[H+] = 4.57x10^-3

CN
Answered by Charlie N. Chemistry tutor
10867 Views

Explain the flow of ions during an action potential of a typical neurone

There are numerous ionic fluxes during an action potential, which involves depolarisation, repolarisation and hyperpolarsation. During depolarisation, voltage-gated sodium ion channels open. In turn, sodi...

AS
Answered by Annie S. Biology tutor
4472 Views

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