Get higher ohmic values

Pass the excess voltage to ground

Pass the excess current to ground

Get accurate readings without oscillation

Deflecting torque is directly proportional to the current

Deflecting torque is inversely proportional to the current

Deflecting torque is inversely proportional to the square of the current

Deflecting torque is directly proportional to the square of the current

Speed error

Phase error

Friction error

Creeping error

CT primary burns out

Volt ampere capacity reduces

Volt ampere capacity increases

CT secondary winding burns out

Avoid draining of battery

Minimize the error in reading

Adjust the current to safe value

Adjust the pointer to zero adjustment