1.

The expression of the characteristic impedance of a symmetrical T-section is?

A. Z<sub>OT</sub>=‚àö(Z<sub>1</sub><sup>2</sup>/4-Z<sub>1</sub>Z<sub>2</sub>)
B. Z<sub>OT</sub>=‚àö(Z<sub>1</sub><sup>2</sup>/4+Z<sub>1</sub>)
C. Z<sub>OT</sub>=‚àö(Z<sub>1</sub><sup>2</sup>/4+Z<sub>2</sub>)
D. Z<sub>OT</sub>=‚àö(Z<sub>1</sub><sup>2</sup>/4+Z<sub>1</sub>Z<sub>2</sub>)
Answer» E.


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