An electron is projected in a perpendicular uniform magnetic field of `3 xx 10^(-3)` T . If electron moves in circle of radius 4 mm , then linear momentum of electron isA. `1.92 xx 10^(-21)` kg m/sB. `1.92 xx 10^(-24)` kg m/sC. `1.2 xx 10^(-21)` kg m/sD. `3.2 xx 10^(-21) ` kg m/s

An electron is projected in a perpendicular uniform magnetic field of

1.	An electron is projected in a perpendicular uniform magnetic field of `3 xx 10^(-3)` T . If electron moves in circle of radius 4 mm , then linear momentum of electron isA. `1.92 xx 10^(-21)` kg m/sB. `1.92 xx 10^(-24)` kg m/sC. `1.2 xx 10^(-21)` kg m/sD. `3.2 xx 10^(-21) ` kg m/s
Answer» Correct Answer - B

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An electron is projected in a perpendicular uniform magnetic field of `3 xx 10^(-3)` T . If electron moves in circle of radius 4 mm , then linear momentum of electron isA. `1.92 xx 10^(-21)` kg m/sB. `1.92 xx 10^(-24)` kg m/sC. `1.2 xx 10^(-21)` kg m/sD. `3.2 xx 10^(-21) ` kg m/s

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