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Show Maxwell's equations in free space satisfy the wave equation

Maxwell's equations in free space:

∇ . E 

DD
Answered by Dojcin D. Physics tutor
7561 Views

How do I structure a good exam essay?

The best way to structure an essay is by using PQA - Point, Quote, Analysis. Use this structure and 5 minuntes to plan your essay. Whilst this is annoying it will make for a better essay in the long r...

BS
10022 Views

Derive I = nAVe

Over 1 second, electrons with drift velocity V travel through a wire of  cross sectional area A. Distance Vt (t = 1) multiplied by area A gives a volume AV. This volume multiplied by the electron dens...

DD
Answered by Dojcin D. Physics tutor
71877 Views

How can I get the best possible mark in the exam?

There are three key ways of ensuing you perform really well on a government and politics exam.

Firstly, you need to be up-to-date with current news to ensure you have examples in your essay. E...

TB
3633 Views

Which adjectives do not take the subjunctive in the construction "Es (adjective) que..."

As you will know from A Level Spanish, when you use the construction "Es (adjective) que...", it is very likely that you will need to follow this with a subjunctive verb. However, there are a co...

GS
Answered by George S. Spanish tutor
5575 Views

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