1.

A proton enters a magnetic field of flux density 1.5 Wb/m^(2) with a spped of 2 xx 10^(7)m/s at angle of 30^(@) with the field. The force on the proton will be

Answer»

`0.24 xx 10^(-12)N`
`2.4 xx 10^(-12)N`
`24 xx 10^(-12)N`
`0.024xx 10^(-12)N`

ANSWER :B


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