15 )
Q = I*t
I = current
t = time in second = 1 day = 24 hr * 60 min * 60 s
Q = 0.5 * 24 * 60 * 60 = 43200 C
16 )
J = I/A
A = pi*r^2
I = J*A
J = current density
I = 2A
Show work please An air-filled parallel-plate capacitor has a capacitance of 1 pF. The plate separation...
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