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A conductor of linear mass dendity 0.2 g m^(-1) suspended by two flexiblewire as shown in figure. Suppose the tension in the supporting wires is zero when it is kept inside the magnetic field of 1T whose direction is into the page. Compute the current inside the current and also the direction for the current . Assume g = 10" ms"^(-2) |
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Answer» Solution :Downward force, F = mg Linear mass density, `m/l = 0।2 GM^(-1)` `m/l=0।2 X 10^(-2) KG m^(-1)` ` m=(0।2 x 10^(-3) x l) kg m^(-1)` `f=(0।2 x 10^(-3)x l x 10) N` Upward magnetic force acting on the wire F= BIl `0।2 x 10^(-3)xxlxx10=1xxIxxl` `I=2xx10^(-3)` `I-2mA` |
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