A moving coil galvanometer has the following characteristics – Number of turns of coil = 50; Area of coil = 70 mm2; Resistance of coil = 30 Ω; Flux density of radial field = 0.1 T; Torsional constant of suspension wire = 7 × 10-8 N m/rad. Calculate the current and voltage sensitivity.
A. 10 div/mA, 0.166 div/mV
B. 15 div/mA, 0.115 div/mV
C. 5 div/mA, 0.167 div/mV
D. 20 div/mA, 0.100 div/mV
Answer:C
A moving coil galvanometer has the following characteristics – Number of turns of coil = 50; Area of coil = 70 mm2; Resistance of coil = 30 Ω; Flux density of radial field = 0.1 T; Torsional constant of suspension wire = 7 × 10-8 N m/rad. Calculate the current and voltage sensitivity.
A. 10 div/mA, 0.166 div/mV B. 15 div/mA, 0.115 div/mV C. 5 div/mA, 0.167 div/mV D. 20 div/mA, 0.100 div/mV