, (10 peinto) Ench plate of a parnliel-plate air capacitor has an area of 0 0010

Question

, (10 peinto) Ench plate of a parnliel-plate air capacitor has an area of 0 0010 m2, and the separation of the 050 nm. An dlectric feld or4- 1o Vinis present betwen the plates What is the seciance of the capacifor, in pl(pico-10') 7. (10 points, The resistivity of gold is 244 × 10-Sa-mat a temperature of 20C. A gold wire, t diameter and 14 em long,carries a current of 480 ma. The power dissipated in the wire is closest to A) 0.14 mW B) 0077 mW C)0.31 mW D) 0.19 mW E) 0.25 mW .8 mm in What is the S. (10 points) Each of the resistors in the circuit shown in Figure 19.1 equivalent resistance of the circuit? Figure 19. has a resistance of 1800 0-

Explanation / Answer

here,

6)

the area of each plate , area = 0.001 m^2

plate sepration , d = 5 * 10^-5 m

the capacitance , C = area * e0 /d

C = 0.001 * 8.85 * 10^-12 /( 5 * 10^-5) F

C = 1.77 * 10^-10 F

C = 177 pF

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