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Used to determine the depth of the seabed by sailors.
Reflection of sound is used to locate objects under water through echolocation.
Used in hearing aids by people having hardship in hearing.
In stethoscopes for diagnostics by doctors.
Andreaz answered the question on December 11, 2017 at 06:32
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Date posted: December 7, 2017. Answers (1)
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Date posted: December 7, 2017. Answers (1)
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Date posted: December 7, 2017. Answers (1)
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Date posted: December 6, 2017. Answers (1)
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Date posted: December 6, 2017. Answers (1)
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ii. Give a reason for the above answer.
Date posted: December 5, 2017. Answers (1)
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Date posted: December 5, 2017. Answers (1)
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Date posted: December 5, 2017. Answers (1)
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Date posted: December 5, 2017. Answers (1)
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Date posted: December 4, 2017. Answers (1)
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Iron box------240----------720
Electrical kettle--240----2400
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Date posted: December 4, 2017. Answers (1)
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Date posted: December 4, 2017. Answers (1)
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Date posted: December 4, 2017. Answers (1)
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Date posted: December 4, 2017. Answers (1)
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b. The primary voltage.
c. The primary current.
Date posted: December 4, 2017. Answers (1)
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Date posted: December 4, 2017. Answers (1)
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Date posted: December 4, 2017. Answers (1)