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 = 2kΩ 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 4Q 6Q

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