7] Charge flown = CV where C is capacitance V is voltage
= 7.54*15.2
= 114.6 uC Answer
8] dielectric constant of mica is not given as it is varies from 2 to 7, textbook value is needed
9] potential = kq/r = 9e9*4.13e-6/0.165
= 225273 V answer
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