Semiconductor E...

When an impurity is doped into semiconductor, the conductivity of the semiconductor 

The ________________ determines how electrons respond to forces (via the concept of effective mass).

The transducer used in television transmission works on the principle of

In an experiment of photoelectric effect the number of photoelectrons has to be increased without changing their frequency. The suitable step to be taken about the incident radiation for this is

The output of AND gate is ____________.

Which of the following cannot be used in electronic devices?

When a hole is produced in P-type semiconductor, there is 

The energy gap in case of which of the following is less than $$3 eV$$?

Zener-diode is used in.

The schematic symbol of light emitting diode is (LED)