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प्रश्न
Choose the correct option.
A charge of + 7 μC is placed at the centre of two concentric spheres with radius 2.0 cm and 4.0 cm respectively. The ratio of the flux through them will be
विकल्प
1:4
1:2
1:1
1:16
उत्तर
1:1
Explanation:
The total flux is independent of shape and radius.
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