Induction

Magnetic attraction

Magnetic deflection

Fall of Potential

Precision

Sensitivity

Resolution

Accuracy

Change in resistance

Improper power factor

Rotation of disc when the load is OFF

Abnormal friction of the moving system

By connecting a shunt resistor in parallel across meter coil

By connecting a resistor in series with meter coil

By connecting a resistor in series with supply

By connecting two resistors across with supply