Consider the following statements regarding an N-P-N Bipolar Junction Transistor:1. Emitter diode is forward biased and the collector diode is reverse biased2. Emitter has many free electrons3. Free electrons are injected into the base and pass through the collector4. Depletion layers around junction J1 and J2 of BJT are widened.Which of the above statements are correct?

• A. 1, 2 and 4
• B. 1, 3 and 4
• C. 2, 3 and 4
• D. 1, 2 and 3