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A. how does increasing the voltage of a power supply in an electromagnet affect the strength of the magnetic field?
b. write two or three sentences to identify the energy conversion that takes place in an electric generator and to describe how electromagnertism is involved.
c. what does a step-up transformer change in an alternating current?
d. what si the magnetic force on a particle that has 0.000600 c of charge and is moving at m/s to the right through of magnetic field that is 4.21 t and pointing towards you? specify both magnitude and direction in your answer.
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