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IGCSE PHYSICS DOUBTS HERE !!!!

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skylite:
Hi,

I have problems in understanding 'cuts magnetic flux' in electromagnetism and whats the symbol in electric circuit diagram for a Variable power supply?

Can anyone please explain? Thanks :D

astarmathsandphysics:
A varible powe rupply is the symbol for a transformer.

astarmathsandphysics:
for cutting magnetic field, imagine cutting grass. The grass grows up and the blade cuts through it horizontally.

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