: 5. Point P is at the shared centre of the two quarter circles shown in the diagram. The two arcs are both insulators and
: 5. Point P is at the shared centre of the two quarter circles shown in the diagram. The two arcs are
both insulators and uniformly charged, with the arc on the left having -q C of charge and the arc
on the right having +q C of charge.
(a) Using a suitable drawing indicate (with reasons) the direction of the nett electric field at point
P.
(b) Calculate the magnitude of the electric field at P.
y take the radius of both arcs to be. R
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