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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > What is the value of B ( in x 10^-8 T ) that can be set up at the equator to permit a proton of speed 10^7 m/s to circulate around the earth?

What is the value of B ( in x 10^-8 T ) that can be set up at the equator to permit a proton of speed 10^7 m/s to circulate around the earth?

What is the value of B ( in x 10^-8 T ) that can be set up at the equator to permit a proton of speed 10^7 m/s to circulate around the earth?