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what is the slowest a boat can travel across a river if the river is flowing with a velocity field of
What is solvent dielectric effect? Explain with equation.
hi good day i enjoy watching your physics videos but i have a question and was wondering if you can answer it for me showing the working the
which of the following material has the highest melting pointa copper b aluminiumc tungsten d goldanstungsten has the highest melting
number of terminals in a mosfet isa two b threec four
when a semiconductor is doped with a p-type impurity each impurity atom willa acquire negative charge
the conductivity of an extrinsic semiconductora decreases with temperatureb increases with temperaturec remains constant with temperatured decreases
p-n junction isa a rectifier b an amplifierc an oscillator d a coupleransp-n junction is a
what is the type of bonding in silicona ionicb covalentc metallicd ionic metallicansbonding in silicon is covalent
micanite is a form ofa built up micab hydrated potassium aluminium silicatec magnesium micad calcium micaansmicanite is a form of built up
the main constituents of glass isa sio2 b b2o3c al2o3 d cr2o3ansthe main
hard ferrites are used for makinga transformer cores b electrical
aluminium isa silvery white in colour b yellow in colourc reddish in colour d pale yellow in
the percentage of carbon in mild steel isa 008 to 03 b 05 to 14 c 235
the electrons would go to lower energy levels first and then to higher energy levels according to which of the following1 aufbau principle2
the most malleable ductile low resistivity material isa copper b aluminiumc silver d ironansthe most malleable ductile low resistivity
the heating elements of electric irons are made ofa copper b nichromec constantan d aluminiumansthe heating components of
barrier potential in a p-n junction is caused bya thermally generated electrons and holesb diffusion of majority carriers across the junction c
in order to obtain p-type germanium it should be doped with aa trivalent impurity b tetravalent impurityc pentavalent impurity d
which of the following principlesrules limits the maximum number of electrons in an orbital to two1 aufbau principle2 paulis exclusion principle3
plastics area good conductors of heatb good conductors of electricityc bad conductors of electricityd high densityansplastics are bad conductors of
for silicon the forbidden gap isa 11evb 025evc 05evd 07evansfor silicon the forbidden gap is
the energy of an electron of 2py orbital is1 greater than that of 2px orbital2 less than that of 2px orbital3 equal to that of 2s
transformer cores are laminated witha low carbon steelb silicon sheet steelc nickel alloy steeld chromium sheet steelanstransformer cores are
according to aufbaus principle which of the three 4d 5p and 5s will be filled with electrons first1 4d2 5d3 5s4 4d and 5s will be