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draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment how does the spacing of the
a uniform sphere of mass 2kg is kept in a fixed position by two strings ab and cd ab is horizontal and cd is inclined at 30176 to the vertical
steps of working of unijunction transistor i when emitter circuit is closed through switch s but emitter voltage is reduced to zero and a voltage
what are different characteristics of an ideal operational amplifier ans characteristics of an ideal operational amplifier1 infinite voltage gain
advantages of integrated circuits ics over conventional circuits1 very small size- thousand times smaller than discrete circuit2 very small
determine the n-type drain and gatewhen gate is made positive with respect to source and substrate negative ie minority charge carriers within the
coupling capacitor ccits an electrolytic capacitor used to couple one stage of amplification to the next
biasing network and resistor rgbiasing network rs and cs jfet is self-biased by using the biasing network rs-cs desired bias
input capacitor cin an ac signal is supplied to gate of the fet through an electrolytic capacitor
determine the applications of mosfet mosfets can also be used for most applications where jfet is used mosfets have
state the applications of jfetfet is used as a1 buffer amplifier2 low noise amplifier3 cascaded amplifier4 analog switch5
determine the working of n- channel jfet in n-channel jfet two p regions are connected with each other internally or externally and are called gate g
similarities in construction of mosfet and jfeti jfet is a three terminal semiconductor device source drain and gate in which current conduction
explain physically how a p-n junction functions as a rectifierans when a p-n junction diode is forward-biased and applied voltage is increased from
positive charge on n-side of the junctionsome of the free electrons move across the junction from n-type
state the process of diffusionwhen these two pieces are joined together and suitably treated they from
demerits of vacuum diode over semiconductor diodei bigger in sizeii less efficiencyiii
explain the merits of vacuum diode over semiconductor diodei vacuum diodes can withstand high reverse voltagesii vacuum diodes can operate at
demerits of semiconductor diode over vacuum diodei it cant withstand high reverse voltageii it cant operate at fairly high
what are the merits of semiconductor diode over vacuum diodei smaller in sizeii greater efficiencyiii cheaperiv
describe how tunneling takes place when tunnel diode is forward biased its initial behaviour is
what is meant by tunnelling phenomenona tunnel diode is a high conductivity two-terminal p-n junction doped heavily about 1000 times higher than a
can an ordinary diode be used as a zener diode justify your answeransordinary diode cant be used as a zener diode since ordinary diodes arent
explain the term- zener breakdown under a very high reverse voltage depletion region expands and potential barrier increases resulting in a very high