The impedance total (ZO) of a transmission...

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Question 1 of 202DxwrfUzpxJxvKMiYDrW

The impedance total (ZO) of a transmission line can be calculated by ZO = √L/C when L and C are known. When a section of transmission line contains 250 microhenries of L and 1000 picofarads of C, its impedance total (ZO) will be:

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Question 1 of 20

2DxwrfUzpxJxvKMiYDrW

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🔍 Key Concepts

• Characteristic impedance (ZO) of a transmission line • Unit conversion for microhenries (µH) and picofarads (pF) to henries (H) and farads (F) • Using the formula ZO = √(L/C) carefully with correct powers of ten

💭 Think About

• How do you convert 250 microhenries and 1000 picofarads into henries and farads using powers of ten? • Once converted, what is the numerical value of L/C before you take the square root? Write it in scientific notation. • After finding L/C, what is the square root, and which answer choice is closest to that value in ohms?

✅ Before You Answer

• Be sure to convert µH to H (10^-6) and pF to F (10^-12) before using the formula. • Double-check the ratio L/C and keep track of exponents carefully (subtract exponents when dividing powers of ten). • Confirm that your final result is in ohms (Ω) and that the magnitude (tens, hundreds, thousands) makes sense before picking an option.

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