A rectangular coil of area `5.0 xx 10^(-4)m^(2)` and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal magnetic field of `9 xx 10^(-3) T`. What is the torsional constant of the spring connected to the coil if a current of 0.20mA produces an angular deflection of `180^(@)` ?

A rectangular coil of area 5.0xx10^-4m^2 and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal magnetic field of 9xx10^-3T . What is the torsional constant of the spring connected to the coil if a current of 0.20mA produces an angular deflection of 18^@ ?

A rectangular coil of area 5.0xx10^-4m^2 and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal magnetic field of 9xx10^-3T . What is the torsional constant of the spring connected to the coil if a current of 0.20mA produces an angular diflection of 18^@ ?

A rectangular coil of area 2 xx 10^(-4)m^(2) and 40 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal field of 60G. What is the torsional constant of the hair springs connected to the coil if a current of 4.0 mA produces an angular diflection of 16^(@) ?

A rectangular coil of area 5.0xx10^(-4) m^2 and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal field of 90 G (radial here means the field liners are in the plane of the coil for any rotation). What is the torsional constant of the hair spring connected to the coil if a current of 2.0 mA produces an angular deflection of 18^@ ?

A rectangular coil of area 5.0xx10^(-4) m^2 and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal field of 90 G (radial here means the field liners are in the plane of the coil for any rotation). What is the torsional constant of the hair spring connected to the coil if a current of 2.0 mA produces an angular deflection of 18^@ ?

A rectangular coil of area 5.0xx10^(-4) m^2 and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal field of 90 G (radial here means the field liners are in the plane of the coil for any rotation). What is the torsional constant of the hair spring connected to the coil if a current of 2.0 mA produces an angular deflection of 18^@ ?

A rectangular coil of area 5.0 xx 10^(-4) m^(2) and 40 turns is pivoted about one of its vertical sides. The coil is in a horizontal field of 80 gauss. If a current of 0.20 mA produces an angular deflection of 20^(@) , then the torsional constant of the hair spring connected to the coil is (in Nm/degree)

A rectangular coil of area 5.0 xx 10^(-4) m^(2) and 40 turns is pivoted about one of its vertical sides. The coil is in a horizontal field of 80 gauss. If a current of 0.20 mA produces an angular deflection of 20^(@) , then the torsional constant of the hair spring connected to the coil is (in Nm/degree)

The rectangular coil of a moving coil galvanometer has area of 8 xx 10^(-4) m^(2) and 100 turns. The coil is kept in a radial horizontal magnetic field of 0.2 T. Calculate the restoring torque constant of hair spring connected to coil when current of 4 xx 10^(-5) A passes through it and deflects the scale by 20^(@) .