Q. Which of the following devices assist in using the same antenna for transmission and receiving?

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Q. A dipole antenna is also called as?

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Q. The impedance at the center of the antenna is known as?

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Q. What happens when the radiation resistance of the antenna matches the characteristic impedance of the transmission line?

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Q. The type of dipole antenna that has a higher band width is called as?

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Q. The radiation pattern of a half-wave dipole has the shape of a ______

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Q. What is the beam width for a half wave dipole antenna?

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Q. What does the beam width of an antenna tell us?

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Q. What is the power radiated by the antenna with gain called as?

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Q. What is the radiation pattern of an isotropic radiator?

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Q. What is the impedance of the folded dipole antenna?

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Q. Which of the following antennas produce a vertical radiation pattern?

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Q. What is the use of loading coil?

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Q. Why is top hat added to antennas?

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Q. In a parasitic array antenna, the conductors that are not connected to the transmission line is called as?

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Q. In a parasitic array the elements are shorted if they are connected to a conducting beam.

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Q. Parasitic element that is typically about 5 percent longer than the half-wave dipole-driven element is called _______

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Q. Why is the boom of the yagi antenna connected to a metal mast and electrical ground?

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Q. Which of the following is not one of the types of driven array antenna?

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Q. What is the length of the shortest element in the yagi antenna?

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