1. Consider four 1 Coulomb charges, arranged in a square, 1m on a side. a) What is the energy of a 1 Coulomb charge in the centre of the square? b) For fun (for some definitions of fun) express this quantity in terms of the energy released by the explosion of a ton of TNT. (What this really tells us is that a Coulomb is large amount of charge.)

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1. Consider four 1 Coulomb charges, arranged in a square, 1m on a side.
a) What is the energy of a 1 Coulomb charge in the centre of the square?
b) For fun (for some definitions of fun) express this quantity in terms of the
energy released by the explosion of a ton of TNT. (What this really tells us is
that a Coulomb is large amount of charge.)
Transcribed Image Text:1. Consider four 1 Coulomb charges, arranged in a square, 1m on a side. a) What is the energy of a 1 Coulomb charge in the centre of the square? b) For fun (for some definitions of fun) express this quantity in terms of the energy released by the explosion of a ton of TNT. (What this really tells us is that a Coulomb is large amount of charge.)
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