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Questions and Answers
What is the main characteristic of a short dipole?
What is the main characteristic of a short dipole?
- The current distribution is uniform
- The current is constant along the length
- The current distribution is triangular (correct)
- The current distribution is sinusoidal
How does the magnetic potential vector for a short dipole compare to that of a constant current distribution?
How does the magnetic potential vector for a short dipole compare to that of a constant current distribution?
- It is one-half as large (correct)
- It is the same
- It is twice as large
- It is one-fourth as large
What is the relationship between the radiation resistance of a short dipole and an infinitesimal dipole?
What is the relationship between the radiation resistance of a short dipole and an infinitesimal dipole?
- The radiation resistance is the same
- The radiation resistance of a short dipole is one-fourth that of an infinitesimal dipole (correct)
- The radiation resistance of a short dipole is twice that of an infinitesimal dipole
- The radiation resistance of a short dipole is four times that of an infinitesimal dipole
Which expression correctly represents the average power density radiated by a short dipole in the far-field region?
Which expression correctly represents the average power density radiated by a short dipole in the far-field region?
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If $\beta$ is defined as $\frac{2\pi}{\lambda}$, what is the value of the constant $\eta$ used in the average power density expression?
If $\beta$ is defined as $\frac{2\pi}{\lambda}$, what is the value of the constant $\eta$ used in the average power density expression?
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What is the relationship between the radiation power of a short dipole and an infinitesimal dipole?
What is the relationship between the radiation power of a short dipole and an infinitesimal dipole?
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