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Which of the following factors limit the deflection of the pointer of a PMMC instrument of about 90o

1. Its damping mechanism 

2. Linearity of magnetic field in which the coil moves 

3. Control spring arrangement 

4. Shape of pole shoe for the horse shoe magnet 

 Select the correct answer using the code given below: 

 (a) Only 1 and 3 (b) Only 2 and 4 (c) Only 2 and 3 (d) Only 1 and 4 

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1 Answer

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Which of the following factors limit the deflection of the pointer of a PMMC instrument of about 90o

1. Its damping mechanism 

2. Linearity of magnetic field in which the coil moves 

3. Control spring arrangement 

4. Shape of pole shoe for the horse shoe magnet 

 Select the correct answer using the code given below: 

 (a) Only 1 and 3 (b) Only 2 and 4 (c) Only 2 and 3 (d) Only 1 and 4 

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