MCQOPTIONS
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				| 1. | 
                                    If resistance is 20 Ω and inductance is 2 H in a R-L series circuit, then time constant of this will be | 
                            
| A. | 0.001 s | 
| B. | 0.1 s | 
| C. | 10 s | 
| D. | 100 s | 
| Answer» C. 10 s | |