1.

The expression for characteristic impedance Z‚Çí of a stripline is:$

A. (30πb/√∈<sub>r</sub>)(1/W<sub>e</sub>+0.441b)
B. (30πb) (1/W<sub>e</sub>+0.441b)
C. 30π/√∈<sub>r</sub>
D. (1/W<sub>e</sub>+0.441b)
Answer» B. (30‚âà√¨‚àö√ëb) (1/W<sub>e</sub>+0.441b)


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