Question

Correct the false statements:

1) The magnetic strength is maximum at its center.

2) Sound travels fastest in vacuum.

3) Sound wave in air is transverse wave.

4) An electromagnet is a permanent magnet.

5) SONAR is used to produce and transmit low frequency sound waves​

Answer 1

Answer:

1. It is at poles.

2. No, In solid

3. no it is not

4. no, it is a magnet till electric current is passing through it

5. high frequency

Answer 2

Answer:

1. False
2. True
3. False
4. False
5. Ture

Explanation:

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