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What is Declination ? Draw a Diagram to Show the Angle Between the Declination and True Direction of Geographic North. - ICSE Class 7 - Physics

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Question

What is declination ? Draw a diagram to show the angle between the declination and true direction of geographic north.

Solution

Magnetic declination is the angle of the horizontal plane between the magnetic North and the geographic North (or true North). This angle is shown in figure by symbol θ.
The angle of declination is different at different places on the earth surface and it also changes at a place with time. The declination is taken positive if the magnetic North is towards the east of the true North as in figure and is negative if the magnetic north if towards the west of the true North.

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Solution What is Declination ? Draw a Diagram to Show the Angle Between the Declination and True Direction of Geographic North. Concept: Concept of Electricity and Magnetism.
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