(3%) Problem 30: Three capacitors with capacitances C1 3C, C2 5C, and C C are co

Question

(3%) Problem 30: Three capacitors with capacitances C1 3C, C2 5C, and C C are connected in parallel. Use C-77 F 50% Part (a) Input an expression in terms of C for the equivalent capacitance Ceq of the circuit. 50% Part (b) What is the equivalent capacitance in F? Grade Summary Ce693 5% 95% eqg Potential sinO tan() 7 8 9 HOME cos0 cotanasin) acos0 atan acotansinh0 cosh tanh cotanhO ^^ 4 5 6 Attempts remaining: 4 (5%per attempt) detailed view 0 END 5% Degrees Radians BACKSPACCLEAR Submit Hint Feedbachk I give up! Hints: 2% deduction per hint. Hints remaining: 1 Feedback: 2% deduction per feedback.

Explanation / Answer

In parallel capacitance adds

A) Ceq= C1+C2+C3

B) Ceq= C1+C2+C3

            = 3C+5C+C

             = 9C          (given C = 77 uF= 77*106-6 F)

Ceq= 9*77*10^-6= 693*10^-6 F

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