a ring with radius r = 5 cm, charged by a positive charge ( 100 C), calculate: a- the electric field at the axis of the ring at a distance 2 cm away from the center b- the electric field at the center of the ring
a ring with radius r = 5 cm, charged by a positive charge ( 100 C), calculate: a- the electric field at the axis of the ring at a distance 2 cm away from the center b- the electric field at the center of the ring
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Transcribed Image Text:a ring with radius r = 5 cm, charged by a positive charge ( 100C), calculate:
a- the electric field at the axis of the ring at a distance 2 cm away from the center
b- the electric field at the center of the ring
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