Transformer

IB Physics: Transformer

What to believe? After doing the theory behind the transformer I get students to calculate the secondary voltage from when a 9V battery is connected to a simple transformer. Using Vp/Vs = Np/NS the voltage is not very high so I ask if they think they will get a shock or not. Few will dare to touch the wires even though they have calculated that it shouldn"t hurt. Quite right too, when the circuit is switched on the...


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