# Propagation

### Explanation of question 2

For a signal transmitted from an antenna

- i the electric field E is due to current changes
- ii the magnetic field H is due to voltage changes

1. i and ii are both true
2. i is true but ii is false
3. i is false but ii is true
4. i and ii are both false

The answer is :- 4 The magnetic field is due to current changes (magnetic field due to a current flowing in a conductor). The electric field is due to voltage changes.

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