You have a job in a University research group investigating the effect of solar

Question

You have a job in a University research group investigating the effect of solar flares on the Earth

Explanation / Answer

1. Energy transformations--------------->>> The idea that a capacitor is a store of electrical energy may have already emerged in previous sections but it can be made clear by using the energy stored in a capacitor to lift a weight attached to a small motor. The energy transfer process is not very efficient but it should be possible to show that a larger pd (or a higher capacitance) lifts the weight further. Hence energy stored depends on both C and V. :::::::: 2. Calculating energy stored-------->>> Having seen that the energy depends on the voltage, there are several approaches which lead to the relationship for the energy stored. Start with a reminder of the idea that

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