The ratio of E to B in electromagnetic waves is equal to
A
c
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B
1c
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C
4c
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D
1Z
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Solution
The correct option is A c Answer:− A
E is much greater than B.
In fact E=cB where c is the speed of light.
The scale on the E-axis is therefore much greater than the scale on the B-axis ( an order of 108 times greater). This means that the magnetic effect is much weaker than the electric effect.