6. A parallel-plate capacitor has plates of area 0.50 m² separated by a distance of 2.0 mm. What is this capacitor's capacitance? (a) 250 F (b) 50 F (c) 2.2 × 10?? F (d) 4.4 × 10?¹? F 7. Two point charges, separated by 1.5 cm, have charge values of 2.0 and -4.0 µC, respectively. What is the magnitude of the electric force between them? (a) 400 N (b) 360 N (c) 320 N (d) 160 N 8. What is the voltage across a 5.0-? resistor if the current through it is 5.0 A? (a) 100 V (b) 25 V (c) 4.0 V (d) 1.0 V
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85 x 10^-12 F/m), A is the area of the plates (0.50 m²), and d is the distance between the plates (2.0 mm = 0.002 m). Show more…
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