Q4/ A parallel plate capacitor consists of two metal plates, each of area S=150 cm², separated by a vacuum gap d=0.60 cm thick. 1. What is the capacitance of this device? (25 marks) 2. What potential difference must be applied between the plates if the capacitor is to hold a charge of magnitude Q=1.00x 10 μC on each plate? (The value of & = 8.85 x 10-12 Nm² C²) work expended in carrying 2C from B(1.9.1)

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