In a $$n$$-$$p$$-$$n$$ transistor $$10^{10}$$ electrons enter the emitter in $$10^{-6}$$ s. $$6 \%$$ of the other electrons are lost in the base. The current transfer ratio will be.

When in $$p$$-$$n$$ junction diode, $$p$$ is connected to the positive terminal and $$n$$ is connected to the negative terminal, then it is

Which of the following is arranged in forward bias?

Which of the following logic gates are also known as the Universal gates?