K.C.S.E Physics Q & A - MODEL 2013PP2QN15
​(a) Explain how a positively charged electroscope gets discharged when the cap is touched with a finger.
(b) Figure 7 shows capacitors A and B connected in series with a battery of e .m .f 4 V.
​Determine:
(ï) the effective capacitance of the circuit. (ii) the quantity of charge in capacitor A. (iii) the quantity of charge in capacitor B. (c) Figure 8 shows an isolated negative point charge Q.
​On the figure. sketch the electric field pattern around the charge.
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