The loop shown in figure 4 below has a current i=4 amps and a magnetic flux dens

Q: The loop shown in figure 4 below has a current i=4 amps and a magnetic flux dens

4) T = iAB = 4*(0.2*0.1)*0.045 =0.0036 Nm direction : into the paper as looking from A ( rotaion of clockwise sense) Figure 5 only more no. of turns direction remains same magntude , T' = 5*T = 5*0.0036 =0.018 Nm direction : into the paper as looking from A ( rotaion of clockwise sense)

ID: 1937778 • Letter: T

Question

The loop shown in figure 4 below has a current i=4 amps and a magnetic flux density B=0.045 wb/m2. Determine the magnitude and the direction of the torque about axis A if L=0.2m, W=0.1m and d=0.03m. Calculate the magnitude and direction of the torque about axis A of figure 5 assuming all the same dimensions, currents and magnetic flux densities. How would the torque vary for each case if the loop were to rotate about the axis A in the clockwise direction? Figure 4 Figure 5 For the configurations of problem 4 how would the torque vary if the direction of the magnetic field intensities rotated about the axis A and the loops remained stationary?

Explanation / Answer

T = iAB = 4*(0.2*0.1)*0.045 =0.0036 Nm

direction : into the paper as looking from A ( rotaion of clockwise sense)

Figure 5

only more no. of turns

direction remains same

magntude , T' = 5*T = 5*0.0036 =0.018 Nm

direction : into the paper as looking from A ( rotaion of clockwise sense)

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The loop shown in figure 4 below has a current i=4 amps and a magnetic flux dens

The loop tends to rotate clockwise, as viewed from above. The loop tends to rota

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The loop shown in figure 4 below has a current i=4 amps and a magnetic flux dens

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