Current and voltage distribution on antenna
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Canadian Advanced Exam Question Bank

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A-007-04: Current and voltage distribution on antenna

A-007-04-01: In a half-wave dipole, the distribution of _______ is highest at each end.

voltage

current

inductance

capacitance



A-007-04-02: In a half-wave dipole, the distribution of _______ is lowest at each end.

current

voltage

inductance

capacitance



A-007-04-03: The feed point in a centre-fed half-wave antenna is at the point of:

maximum current

minimum current

minimum voltage and current

maximum voltage



A-007-04-04: In a half-wave dipole, the lowest distribution of _________ occurs at the middle.

voltage

capacity

inductance

current



A-007-04-05: In a half-wave dipole, the highest distribution of ________ occurs at the middle.

current

inductance

voltage

capacity



A-007-04-06: A half-wave dipole antenna is normally fed at the point where:

the current is maximum

the voltage is maximum

the resistance is maximum

the antenna is resonant



A-007-04-07: At the ends of a half-wave dipole:

voltage is high and current is low

voltage and current are both high

voltage and current are both low

voltage is low and current is high



A-007-04-08: The impedance of a half-wave antenna at its centre is low, because at this point:

voltage is low and current is high

voltage and current are both high

voltage and current are both low

voltage is high and current is low



A-007-04-09: In a half-wave dipole, where does minimum voltage occur?

The centre

At the right end

It is equal at all points

Both ends



A-007-04-10: In a half-wave dipole, where does the minimum current occur?

At both ends

At the centre

It is equal at all points

At the right end



A-007-04-11: In a half-wave dipole, where does the minimum impedance occur?

At the centre

It is the same at all points

At the right end

At both ends





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A-007-03: Antenna feed arrangements - tee, gamma, stub
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A-007-05: Polarization, helical beam, parabolic antennas
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