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diffrence between isobaric process and isochoric process a process in which the pressure is kept constant is known as isobaric process ie
explain quasi-static processthe process in the system the variables ptv alters very slowly so that the systems remain in thermal and mechanical
a closed magnetic circuit of cast steel have a 6cm long path of cross-sectional area 1 cm2 and a 2 cm path of cross-sectional area 05cm2a coil of 200
a mild steel closed magnetic circuit has a mean length of 75mm and a cross-sectional area of 3202mm2 a current of 040 a flows in a coil wound
a bakelite capacitor is to be constructed to have a capacitance of 004microf and to have a steady workingpotential of 1kvmaximum allowing a safe
a capacitor is to be constructed so that its capacitance is 02microf and to take a pd of 125kv across its terminals the dielectric is to be mica
a parallel plate capacitor is made from 25 plates each 70mmby 120mm interleaved with mica of relative permittivity 5 if the capacitance of the
a parallel plate capacitor has nineteen interleaved plates each 75mm by 75mm separated by mica sheets 02mm thickassuming the relative permittivity of
two parallel plates having a pd of 250v between them are spaced 1mm apartdetermine the electric field strengthfind also the electric flux density
a charge of 15microc is carried on two parallel rectangular plates each measuring 60mm by 80mmmeasure the electric flux densityif the plates are
two parallel plates having a pd of 200v among them are spaced 08mm apart what is the electric field strengthfind also the flux density when the
two parallel rectangular plates measuring 20 cm by 40 cm carry an electric charge of 02microc measure the electric flux densityif the plates are
a resistor of 8omega is connected in parallel with one of 12omega and the combination is connected in series with one of 4omegaa pd of 10v is applied
resistors of 20omega 20 omega and 30omega are connected in parallel what resistance must be added in serieswith the combination to obtain a total
two resistors of resistance 3 and 6 are connected in parallel across a battery having a voltage of 12v determine a the total circuit resistance andb
two resistors are connected in series across an 18v supply and a current of 5a ows if one of the resistors has a value of 24omega determinea the
the pds calculated across three resistors linked in series are 5v 7v and 10v and the supply current is 2a determine a the supply voltage b the
a 12v battery is connected in a circuit having three series-connected resistors having resistances of 4omega9 omega and 11 omegaverify the current
a current of 12a flows in the element of an electric fire of resistance 25 verify the power dissipated by the element if the re is on for 5 hours
verify the value and tolerance of a resistor having a colour coding of blue-grey-orange- reddetermine the value and tolerance of a resistor having a
what is the resistance of a coil of aluminium wire the resistance of a coil of aluminium wire at 18c is 200the temperature of the wire is increased
some wire of cross-sectional area 1mm2 has a resistance of 20 determinea the resistance of a wire of the same length and material if the
explain electric lawn-mower a television set having a power rating of 120w and electric lawn-mower of power rating 1 kw are both linked to a 240v
illustrate examples of systems out of equilibriumexamples of systems out of equilibriuma a stone thrown upwards that is at its highest pointb a plane
examples of systems in equilibriuma a stone resting on the groundb a pencil balanced on your fingerc a ladder placed against the wall an aircraft