**Part (a)**

F_{1} = iBL_{1}sin(90°) = iBL_{1}

A rectangular loop with *L _{1}* = 0.15 m and

Part (a) Express the magnitude of the magnetic force on ab or cd, *F*_{l}, in terms of the length *L _{l}*, current

*F** _{l}* =

Part (b) Calculate the numerical value of the magnitude of the force, *F _{l}*, on ab or cd and N.

Part (c) Express the magnitude of the magnetic force on bc or ad, F_{2}, in terms of the length L_{2}, current I and magnetic field B.

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