Hi there, I\'m making up a physics packet for when I was absent. Thepacket as a

Question

Hi there, I'm making up a physics packet for when I was absent. Thepacket as a whole completely confuses me, but this one has beengiving me the most trouble:
Chapter 19 - Question 51. A parallel plate capacitor has acapacitance pf 7.0F when filled with a dielectric. The areaof each plate is 1.5m2 and the separation betweenthe plates is 1.0 x 10-5 m. What is the dielectricconstant of the dielectric.
The answer is 5.3 but I have no idea how to go about findingit. Please help?
Chapter 19 - Question 51. A parallel plate capacitor has acapacitance pf 7.0F when filled with a dielectric. The areaof each plate is 1.5m2 and the separation betweenthe plates is 1.0 x 10-5 m. What is the dielectricconstant of the dielectric.
The answer is 5.3 but I have no idea how to go about findingit. Please help?

Explanation / Answer

A parallel plate Capacitor having aCapacitance C = 7.0*10-6 F           Seperation between the plates d = 1.0*10-5 m     Area of each plate is  A = 1.5 m2                C = k 0 A /d           7.0*10-6F   = k * 8.85*10-12 *    1.5m2   /   1.0*10-5 m                       k = 5.2          

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