Physics (AS & A Level) · Oct / Nov 2019 · Paper 21 · Question 2
9702
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A small charged glass bead of weight 5.4 × 10–5 N is initially at rest at point A in a vacuum. The bead then falls through a uniform horizontal electric field as it moves in a straight line to point B, as illustrated in Fig. 2.1. A B glass bead weight 5.4 × 10–5 N charge –3.7 × 10–9 C path of the falling bead side view vertical horizontal uniform horizontal electric field, field strength 1.3 × 104 V m–1 Fig. 2.1 (not to scale) The electric field strength is 1.3 × 104 V m–1. The charge on the bead is –3.7 × 10–9 C.
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2(a)[2]
2(b)[2]
2(c)[1]
2(d)[2]
2(e)(i)[2]
2(e)(ii)[2]
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