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the potential drop between the terminals of a battery is equal to the batterys emf whena no current is drawn from the batteryb a very large current
an electroscope charged without contacting a charged body is charged bya inductionb conductionc convectiond insulationansan electroscope charged
ferroelectric materials are characterised bya very high degree of polarisationb a sharp dependence of polarisation on temperaturec non-linear
tick of the property which is different from the group a ductility b resistivity c tensile
tick off the material which is different from the group a constantan b manganin c nichrome
semi-conductors have temperature coefficient of resistance a negative
atoms with four valence electrons are good conductors this statement is true or falseans atoms are good conductors with four valence electrons
hysteresis loss least depends ona frequency b magnetic field
insulators havea a full valence bandb an empty conduction bandc a large energy gapdall the aboveansinsulators have a large energy
paper is hygroscopic and absorbent this statement is true or falseanspaper is hygroscopic and absorbent this statement is
in a ferromagnetic material the state of flux density is as follows when external magnetic field is applied to ita increasedb becomes zeroc remains
magnetic materialsa provide path to magnetic fluxb are good insulatorsc are semiconductorsd noneansmagnetic materials provide path to magnetic
addition of trivalent impurity to a semiconductor creates manya holesb free electronsc valance electronsd bound electronsansaddition of trivalent
hall effect is associated witha conductorsb semiconductorsc thermistorsdsoldersanshall effect is associated with
hard magnetic materials are used for makinga permanent magnetsc conductorsb insulatordtemporary magnetsanshard magnetic materials are used for making
example of high resistivity material isa nichrome b silverc gold
a transistor hasa one p-n junction b two p-n junctionc four p-n junction d five p-n junctionansa transistor has two p-n
bronze is an alloy ofa copper and tin b copper and steelc copper and mercury d
general energy equation non- flow energy equation steady flow equation joule3939s
what is atterberg limits tests the atterberg limits tests are designed to determine the plasticity of finer grained soils these tests are performed
hydrometer analysis - soil mechanics and foundationshydrometer analysis used to obtain the grain size distribution of fine-grained soils finer sands
sieve analysis - soil mechanics and foundationsa sieve analysis used to obtain the grain size distribution of coarse-grained soils sands and gravels
define the transmissivity and reynold numbertransmissivity t a measurement of the rate of groundwater movement through different soil and rock
explain the hydraulic gradienta measurement of the movement of water over distances change in hydraulic head from one monitoring point to
define the thiem equations for confined aquifers using natural log q 2pkmh2 - h1lnr2r1 using log10 q 2kmh2 -