Recent questions tagged mi

Description : Explain construction & working of attraction type M.I. instrument with neat diagram.

Last Answer : 1. Moving element: a small piece of soft iron in the form of a vane or rod.  2. In Attracted type a cylindrical coil or solenoid which is kept fixed. An oval-shaped soft-iron piece are ...   9. When = the pointer will be stable & we can get correct reading of the electrical quantity

Description : Write any two advantages of MI type instrument.

Last Answer : Advantages of MI Type Instrument: 1. These are robust in construction. 2. Used for both A.C. as well as D.C. measurements. 3. These are economical. 4. These possess high operating torque 5. These are simple in construction hence can be easily handled.

Description : Compare PMMC & MI instrument.

Last Answer : MI Instrument  PMMC Instrument  It works on the principles of magnetism.  It works on the principle of DC motor Deflection torque is proportional to square of current  Deflection ... , Voltmeter and Watt meter  Can be used as voltmeter, Ammeter, Galvanometer, ohmmeter