Question

Read following statements concerning electronic devices
(A)A transistor is used as rectifier
(B)A zener diode is used as a voltage regulator
(C)A not gate is a Universal Gate
(D)A transistor is used as an amplifier
(E)A photodiode is used as an oscillator
Choose the correct answer from the options given below:

• A. A and B
• B. B and D
• C. A and D
• D. B,C and E

Answer 1

The Correct Option is B

The correct answer is (B): B and D