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q when there is no feedback the gain of the amplifier is 100 if 5 of the output voltage is fed back into the input through a negative network find
q the voltage increase of an amplifier without feedback is 100 if negative feedback is functioned with feedback fraction 01 compute the voltage gain
q when the negative feedback is practical to an amplifier of gain 50 the gain falls to 25 compute the feedback ratioaf a 1 abeta25 50 1 50
what are the trends of the gametophyte in the evolution of plantsa tendency of the gametophyte evolution in plants has been towards the formation of
q the gain of an amplifier without feedback is 100 and the gain of an amplifier with feedback is 200 calculate the feedback fractionsolution voltage
q what is an intrinsic semiconductor give any two examples a a semiconductor which is pure as well as contains no impurity is known as an intrinsic
q the radioactive isotope 84pa214 undergoes a successive disintegration of two alpha decays and two beta decays find the atomic number and the mass
q the half life period of 84po218 is 3 minutes what percentage of the sample has decayed in 15 minutes 1 hlp 3 minutesin 15 minutes there are 3
what is the evolutionary importance of the fruits for the angiospermsthe fruits have seeds and they can detach from the plant falling on the ground
q what are leptons give examples leptons leptons are lighter particles having mass equal to or less than about 207 times the mass of an electron
what are infructescences pseudofruits and parthenocarpic fruitsinfructescences are aggregated fruits created from inflorescences aggregated flowers
are fruits always the flesh part of the fruits is the edible part of the onion a fruitin some so-called fruits the actual fruit is not the flesh part
q the half life of radon is 38 days calculate mean lifehalf life period hlp tfrac12 06931 lambda 06931
how are fruits formedthe fecundation in angiosperms triggers the release of hormones that act upon the ovaries the ovary wall then makes into a fruit
q what is pair production and pair annihilationpair productionthe conversion of a photon in to an electron-positron pair on its interaction with the
q what percentage of a given radioactive substance will be left after 5 half -life periods the residual part of radioactive substance frac12
q what is the use of control rods mention any two control rodsthe control rods are utilized to control the chain reaction they are extremely good
what are cotyledonscotyledons or seed leaves are structures formed by the embryo of angiosperms to absorb nutrients from the endosperm and to keep
how different are the endosperm of gymnosperms and the endosperm of angiospermsin gymnosperms the endosperm is haploid n it is known as primary
what is dichogamydichogamy is the phenomenon of the maturation of female reproductive structures of the plant in a dissimilar period to the
what is the difference between self pollination and cross pollination which of these two modes of pollination contributes more to the plant
how many cellular nuclei does the pollen tube of angiosperms have what is the ploidy of each of these nucleithe pollen tube that is the mature male
how are the male gametophytes and the male gametes formed in angiospermsin the anthers of every stamen there are pollen sacs within the pollen sacs
what is pollination what are the main forms of pollinationthe process in which pollen grains the male gametophytes of phanerogamic plants reach the
what are the androecium and the gynoecium what are the other structures of flowersandroecium is the set of male reproductive structures of flowers it