If ZTE is wave impedance for TE waves, Ed is maximum dielectric strength of insulating material, a and b are the width and height of a rectangular wave guide, the maximum power handling capability Pmax for TE10 mode is

• A. <img src="/_files/images/electronics-and-communication-engineering/microwave-communication/12-99-1.png">
• B. <img src="/_files/images/electronics-and-communication-engineering/microwave-communication/12-99-2.png">
• C. <img src="/_files/images/electronics-and-communication-engineering/microwave-communication/12-99-3.png">
• D. <img src="/_files/images/electronics-and-communication-engineering/microwave-communication/12-99-4.png">