INSTRUMENTS -- ESSENTIALS OF INDICATING INSTRUMENTS -- PERMANENT MAGNET MOVING COIL (PMMC)
Types of Instruments:
1) Absolute Instruments
2) Secondary Instruments
3) Indicating Instruments
4) Integrating Instruments
5) Recording Instruments
Essentials of Indicating Instruments:
1) Deflecting Torque
2) Controlling Torque
3) Damping Torque
PERMANENT MAGNET MOVING COIL INSTRUMENT:
PRINCIPLE: When a current carrying conductor is placed in a magnetic field, it experiences a force. The direction of force is given by Fleming's left hand rule.
Types of Instruments:
1) Absolute Instruments
2) Secondary Instruments
3) Indicating Instruments
4) Integrating Instruments
5) Recording Instruments
Essentials of Indicating Instruments:
1) Deflecting Torque
2) Controlling Torque
3) Damping Torque
PERMANENT MAGNET MOVING COIL INSTRUMENT:
PRINCIPLE: When a current carrying conductor is placed in a magnetic field, it experiences a force. The direction of force is given by Fleming's left hand rule.
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