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VITEEE 2023 Solved Paper

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Question : 12

Total: 125

An electron (mass =9×10−31‌kg, charge =1.6×10−19C ) moving with a velocity of 106m∕ s enters a magnetic field. If it describes a circle of radius 0.1m, then strength of magnetic field must be

4.5×10−5T
1.4×10−5T
5.5×10−5T
2.6×10−5T

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