Decrease the spacing between the plates of the capacitor. Increase the length of

Question

Decrease the spacing between the plates of the capacitor. Increase the length of the wires leading to the capacitor plates. Rank in order from largest to smallest, the equivalent capacitance (c_eq)_a to (C_eq)_ d of circuits a to d. In charging a capacitor in an RC series circuit with the capacitor initially uncharged, when the switch s is thrown at t = 0. The voltage on the capacitor; is initially zero, and finally V_ max (b) is a constant equal to V_ max is initially V_ max and finally zero, (d) is a constant equal to V_ max In discharging a capacitor in an RC circuit with the capacitor initially fully charged, when the switch S is thrown to discharge at t = 0. The Voltage on the capacitor; is initially zero, and finally V_ max (b) is a constant equal to V_ max is initially V_ max and finally zero, (d) is a constant equal to V_ max

Explanation / Answer

18.

Remember:
For parallel combination
Ceq = C1 + C2 + C3 +...............
for series combination
1/Ceq = 1/C1 + 1/C2 + 1/C3 + ............
for 2 capacitors in series it will be
Ceq = C1*C2/(C1+C2)
Using this Information:  

A.

Ceq = 5 uF

B.

Ceq = 3 + 3 = 6 uF

C.

Ceq = 3*3/(3 + 3) = 1.5 uF

D.

Ceq = 3 + 4*4/(4 + 4) = 5 uF

Order will be

B > A = D > C

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