A parallel plate capacitor has plate area A and distance between the plates is d. It has two dielectrics each of thickness d and area 0.5 A. The dielectric constants are 1 and 2. The total capacitance is given by the equation

• A. <img src="/_files/images/electronics-and-communication-engineering/networks-analysis-and-synthesis/88-54-1.png">
• B. <img src="/_files/images/electronics-and-communication-engineering/networks-analysis-and-synthesis/88-54-2.png">
• C. <img src="/_files/images/electronics-and-communication-engineering/networks-analysis-and-synthesis/88-54-3.png">
• D. <img src="/_files/images/electronics-and-communication-engineering/networks-analysis-and-synthesis/88-54-4.png">