A ring-shaped conductor with radius a = 2.20 cm has a total positive charge Q = 0.122 nC uniformly distributed around it. (Figure 1) For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Field of a ring of charge. Figure dQ ds X dE, dE La 1 of 1 dE x What is the magnitude of the electric field at point P, which is on the positive x-axis at x = 45.0 cm ? Express your answer in newtons per coulomb. [ΠΙ ΑΣΦ E= Submit Request Answer Part B What is the direction of the electric field at point P? O+x-direction O-x-direction Submit Request Answer ? N/C

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.