Semiconductor E...

In the given circuit the current through Zener Diode is close to : 

Truth table for the given circuit will be

To get an output of 1. from the circuit shown in figure the input must be 

In the given circuit, the current through zener diode is:

Given : A and B are input terminals.
Logic $$1= > 5V$$
Logic $$0= < 1V$$
Which logic gate operation, the following circuit does?

In an unbiased n-p junction electrons diffuse from n-region to p- region because

To get an output $$Y=1$$ in given circuit which of the following input will be correct.

Two following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage wave forms of A, B and Y are as given.
The logic gate is

To get output $$1$$ for the following circuit, the correct choice for the input is.