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Exercise 1 What potential difference is needed to give a helium nucleus (Q=2e) 95.0 keV of kinetic energy? Delta V =? Exercise 2 A 120-V

Exercise 1

What potential difference is needed to give a helium nucleus (Q=2e) 95.0 keV of kinetic energy? Delta V =? Exercise 2

A 120-V fish tank heater is rated at 150W.

1-Calculate the current through the heater when it is operating

2-Calculate it's resistance

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