The typical output characteristics curve for a transistor working in the common-emitter configuration is shown in the figure.


The estimated current gain from the figure is __________.

An npn transistor operates as a common emitter amplifier with a power gain of 10⁶. The input circuit resistance is 100$$\Omega$$ and the output load resistance is 10 K$$\Omega$$. The common emitter current gain '$$\beta$$' will be ________. (Round off to the Nearest Integer).

The value of power dissipated across the zener diode (V_z = 15V) connected in the circuit as shown in the figure is x $$\times$$ 10^$$-$$1 watt.


The value of x, to the nearest integer, is __________.

In the logic circuit shown in the figure, if input A and B are 0 to 1 respectively, the output at Y would be 'x'.

The value of x is ____________.