Consider the following statements A and R.Assertion A): UJT is a negative resistance device.Reason R): UJT has only one p-n junction.Select your answer from the following alternatives:

• A. Both (A) and (R) are true and (R) is correct explanation of (A).
• B. Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
• C. (A) is true but (R) is false.
• D. (A) is false but (R) is true.