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the length of a wire vibrating with a frequency of 340 hz is 1m it its length is changed to 16 m determine the frequencyname any two musical
advantages of ac transmission of power1 the power can be produced at high voltages2 the maintenance of ac sub-stations is simple and cheaper3 the ac
the number of nodal planes in a px is1 one 2 two 3
what do you understand by reverberation time an auditoriumwhat do you mean by sound absorber give two examples for good
show any two applications of beats what are echelon effects and
disadvantages of ac transmission of power1 an ac line needs more copper than a dc line2 the construction of an ac transmission line is more complex
the energy required to dislodge electron from excited isolated h-atom ie1 136 ev is1 136ev
determine the ratio of the frequencies of harmonics in an air column of same length in a a closed pipe and b an open
what do you mean by the phase difference between incident and reflected waves at a an open end and b closed endwhat happens to the fundamental
explain generation of electrical energygeneration of electrical energy the conversion of energy available in dissimilar forms in nature into
the ionization energy of hydrogen atom is -136ev the energy required to excite the electron in a hydrogen atom from the ground state to the first
illustrate the current-voltage i-v characteristic curves if a junction diode in reverse and forward
what do you mean by a junction diode illustrate the formation of depletion layer at the junction describe the variation of depletion layer in forward
different methods of charging a battery there are two general methods are employed for charging are-a constant current system andb constant
the series limit for balmer series of h-spectra is1 3800 2 4200 3
describe nor and nand gates provide their truth tablesdiscuss the nature of a p-n junction how does a potential barrier develop at the
illustrate the operation of not gate and also provide its truth table what do you mean by a zener diode illustrate how it is used as voltage
the frequency of a wave of light is 12x 10 14s-1 the wave number associated with this light is 1 5x10-7m
what do you understand by rectifier illustrate working of half wave and full wave rectifiers with diagrams show the expression for its
the bohr orbit radius for the hydrogen atom n1 is approximately 0530aring the radius for the first excited state n2 orbit is1
what do you mean by nuclear fission illustrate liquid drop model of nuclear fission difference between nuclear fission and nuclear fusionstate the
explain constant voltage systemconstant voltage system in this process voltage is kept constant but results in very huge charging current in the
the total number of valence electrons in 42 gm n-3 of ion is na is the avogadros number1
write down a short note on the discovery of neutron show the uses of
illustrate the source of stellar energy describe the carbon-nitrogen cycle and proton - proton cycle occurring in starswrite down a note on