METERS DEFLECTING torque is given by,\({T_d} = BINA\)B is the magnetic FLUX densityI is the currentN is the number of turnsA is the area of cross sectionCalculation:\({T_d} = 200 \times {10^{ - 3}} \times 100 \times 10 \times {10^{ - 3}} \times 20 \times {10^{ - 3}} \times 50 \times {10^{ - 3}}\)\({T_d} = 200\;\MU \;N - m\)