Semiconductor D...

Pure sodium (Na) is a good conductor of electricity because the 3s and 3p atomic bands overlap to form a partially filled conduction band. By contrast the ionic sodium chloride (NaCl) crystal is

Would there be any advantage to adding n–type or p–type impurities to copper

In the following common emitter circuit, if β = 100, V_CE = 7V, V_BE = negligible, R_C = 2 k Ω, then I_B =?

When a battery is connected to a P–type semiconductor with a metallic wire, the current in the semiconductor (predominantly), inside the metallic wire and that inside the battery respectively is due to

In circuit in following fig. the value of Y is

In the following circuit, a voltmeter V is connected across a lamp L. What change would occur in voltmeter reading, if the resistance R is reduced in value

For given electric voltage signal dc value is

When a silicon PN junction is in forward biased condition with series resistance, it has knee voltage of 0.6 V. Current flow in it is 5 mA, when PN junction is connected with 2.6V battery, the value of series resistance is

In the following circuit the equivalent resistance between A and B is

In the following circuit of PN junction diodes D₁, D₂ and D₃ are ideal, then i is