The comparison between Moving Coil & Moving Iron Instruments is given in the table below.
| S.No. | Moving Coil Instruments | Moving Iron Instruments |
| 1. | It works on the principle of DC motor. | It works on the principles of magnetism. |
| 2. | Deflection torque is proportional to current. | Deflection torque is proportional to the square of the current. |
| 3. | Damping is provided by the eddy current. | Damping is provided by air damping. |
| 4. | Spring controlled instruments. | Gravity controlled instruments. |
| 5. | Controlling torque is proportional to the angle of defection. | Controlling torque is proportional to Sinθ. |
| 6. | Uniform Scale | Non-Uniform Scale |
| 7. | Delicate, sensitive and accurate. | Robust, reliable, and accurate |
| 8. | Costly | Cheap |
| 9. | Low power consumption | high power consumption than moving coil. |
| 10. | It is used only in DC Circuits. | It is used both in AC and DC Circuits. |
| 11. | Can be used as Voltmeter, Ammeter, Galvanometer, ohmmeter | Can be used as Ammeter, Voltmeter, and Wattmeter. |
