Silicon is a semiconductor. If a small amount of $A s$ is added to it, then its electrical conductivity
[MP PMT 1996]
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionWhich of the following statements is not true
- 2Different voltages are applied across a $P-N$ junction and the currents are measured for each value. Which of the following graphs is obtained between voltage and currentView Solution
- 3An $N$-type and $P$-type silicon can be obtained by doping pure silicon withView Solution
- 4View SolutionZener diode is used as
- 5For a thermionic emitter (metallic) if $J$ represents the current density and $T$ is its absolute temperature then the correct curve between $\log _e \frac{J}{T^2}$ and $\frac{1}{T}$ isView Solution
- 6The ratio of thermionic currents $(I / I)$ for a metal when the temperature is slowly increased $T_0$ to $T$ as shown in figure. ( $I$ and $I$ are currents at $T$ and respectively). Then which one is correct?View Solution
- 7View SolutionFermi level of energy of an intrinsic semiconductor lies
- 8The relation between $\alpha$ and $\beta$ parameters of current gains for a transistors is given byView Solution
- 9If the two ends $P$ and $N$ of a $P-N$ diode junction are joined by a wireView Solution
- 10View Solutiondepending on the nature of impurity In intrinsic semiconductor at room temperature, number of electrons and holes are