#E9F02🔗
Which of the following has the biggest effect on the velocity factor of a transmission line?
以下哪项对传输线的速度因子影响最大？
#E9F03🔗
Why is the electrical length of a coaxial cable longer than its physical length?
为什么同轴电缆的电气长度比其物理长度长？
#E9F04🔗
What impedance does a 1/2-wavelength transmission line present to an RF generator when the line is shorted at the far end?
当 1/2 波长传输线在远端短路时，该传输线对 RF 发生器产生的阻抗是多少？
#E9F06🔗
What is the approximate physical length of an air-insulated, parallel conductor transmission line that is electrically 1/2 wavelength long at 14.10 MHz?
在 14.10 MHz 下电学长度为 1/2 波长的空气绝缘平行导体传输线的近似物理长度是多少？
#E9F07🔗
How does parallel conductor transmission line compare to coaxial cable with a plastic dielectric?
平行导体传输线与具有塑料电介质的同轴电缆相比如何？
#E9F08🔗
Which of the following is a significant difference between foam dielectric coaxial cable and solid dielectric coaxial cable, assuming all other parameters are the same?
假设所有其他参数相同，以下哪一项是泡沫介电同轴电缆和固体介电同轴电缆之间的显着差异？
#E9F09🔗
What impedance does a 1/4-wavelength transmission line present to an RF generator when the line is shorted at the far end?
当 1/4 波长传输线在远端短路时，该传输线对 RF 发生器产生的阻抗是多少？
#E9F10🔗
What impedance does a 1/8-wavelength transmission line present to an RF generator when the line is shorted at the far end?
当 1/8 波长传输线在远端短路时，该传输线对 RF 发生器产生的阻抗是多少？
#E9F11🔗
What impedance does a 1/8-wavelength transmission line present to an RF generator when the line is open at the far end?
当 1/8 波长传输线在远端开路时，该传输线向 RF 发生器呈现的阻抗是多少？
#E9F12🔗
What impedance does a 1/4-wavelength transmission line present to an RF generator when the line is open at the far end?
当 1/4 波长传输线在远端开路时，该传输线向 RF 发生器呈现的阻抗是多少？
