NEET 2010 PYQ Mock Test

A common emitter amplifier has a voltage gain of $50$, an input impedance of $100\Omega$ and an output impedance of $200\Omega$. The power gain of the amplifier is:

Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point?

The device that can act as a complete electronic circuit is:

Which of the following statements is False?

To get an output $Y=1$ from the circuit shown below, the input must be ($A,B,C$):