Correct answer
B. 12π
Explanation
12π is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12Ω. Galvanometer resistance is_____________?
Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?
Force 100N is applied on a wire produces extension 5mm in it. Energy stored in it is
When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?
A train is moving with a speed of 100mph. What will be its speed in m/s.?
The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is________________?