# Antennas

### Explanation of question 16

The effect of adding a reflector and directors to form a Yagi array will be to

1. increase the antenna input impedance
2. decrease the antenna input impedance
3. produce a wider angle of radiation
4. decrease the forward gain

The answer is :- 3 The impedance is reduced by adding a reflector and directors. Folding the radiating element is one method of increasing the impedance.

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