The current through a 4.6 H inductor is shown in the following graph. The induced emf during the time interval t = 5 milli-sec to 6 milli-sec will be

• A. \[{{10}^{3}}\,V\]                                  
• B. \[-23\times {{10}^{3}}\,V\]                   
• C. \[23\times {{10}^{3}}\,V\]                           
• D. \[Zero\]