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a) A solenoid of radius 4 cm, 3100 turns, and a length of 7 cm is...

a) A solenoid of radius 4 cm, 3100 turns, and a length of 7 cm is carrying a current that alternates according to the formula I(t)=I0cos(2πft) where the peak current is I0=1500 mA and the frequency is f=70 Hz. What is the RMS EMF induced by the fluctuating current? b) What is the RMS strength of the electric field that corresponds to the induced EMF? c) What is the RMS electric field strength at a distance 6 cm from the center of the solenoid?

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