Assertion (A): The circuit of figure thyristor will conduct for 180° during positive half cycle if it is continuously fired. Reason (R): A thyristor can conduct only when it is forward biased.

• A. Both A and R are correct and R is correct explanation of A
• B. Both A and R correct but R is not correct explanation of A
• C. A is correct but R is wrong
• D. A is wrong but R is correct