A 25- $\mu$ F Capacitor Charged to 50 V and a Capacitor C

question 65

Multiple Choice

A 25- $\mu$ F capacitor charged to 50 V and a capacitor C charged to 20 V are connected to each other,with the two positive plates connected and the two negative plates connected.The final potential difference across the 25- $\mu$ F capacitor is 36 V.What is the value of the capacitance of C?

• A)43 \(\mu\)F
• B)29 \(\mu\)F
• C)22 \(\mu\)F
• D)58 \(\mu\)F
• E)63 \(\mu\)F

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Definitions:

Long-Run Equilibrium

A situation in competitive markets where all firms are making normal profits, and there is no incentive for market entry or exit.

Marginal Cost

An increase in the full cost that comes from producing an additional unit of a product or service.

Monopolistic Competition

A market structure characterized by many firms selling products that are substitutes but not perfect substitutes, leading to each firm having some market power.

Perfect Competition

A market structure characterized by an infinite number of small firms, identical products, and easy market entry and exit, leading to companies not having pricing power.