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Explain how an electromagnetic motor works?

A moving current in a magnetic field produces a force according to Fleming's Left Hand Rule. When a loop of wire with a current moving through it cuts magnetic field lines, movement is induced along the wire...
HS
Answered by Hannah S. • Physics tutor
3059 Views

What is the difference between mitosis and meiosis?

Mitosis and meiosis are both types of cell division that produce new cells, known as daughter cells, but there are some differences; Mitosis produces two identical new cells with two sets (or pairs) of chrom...
SC
Answered by Shannon C. • Biology tutor
5060 Views

How to solve problems with discount applied twice in the same product?

Follow these steps: 1) Use the original price given, multiplying it by [(100-first discount percentage) over 100] This is done to get the discounted price when the discount is applied once. 2) Use the discou...
TT
Answered by Theofanis T. • Maths tutor
4355 Views

I struggle with object pronouns and their ordering in sentences

In teaching french lanauage i find that there are lots of rules that need to be learned. For the example of object pronouns there is a good diagram (triangle shape) to follow. This diagram shows that me/te/s...
CT
Answered by Charlotte T. • French tutor
3173 Views

How do bacteria develop resistance to antibiotics?

When bacteria divide, random mutations in their DNA lead to differences in bacteria. Some of the bacteria will randomly develop genes that help them to survive a dose of anitbiotics (resistance). When a pers...
JC
Answered by Jonathan C. • Biology tutor
3447 Views