Consider the following statement S1 and S2. S1: The β of a bipolar transistor reduces if the base width is increased. S2: the β of a bipolar transistor increases if the doping concentration in the base is increased. Which one of the following is correct?

• A. S1 is False, S2 is true
• B. S1 and S2 both are true
• C. S1 and S2 both are false
• D. S1 is true, S2 is false