MCQOPTIONS
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				| 1. | 
                                    If eddy current damping is to be used, the disc of instrument should be | 
                            
| A. | non-conducting and non-magnetic | 
| B. | conducting and magnetic | 
| C. | conducting and non-magnetic | 
| D. | non-conducting and magnetic | 
| Answer» D. non-conducting and magnetic | |