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define voltage divider rulevoltage drop at every resistor that connected by serial can be search by using voltage divider rules
determine the statements about unit area or borrow pitans i sometimes called average depthii works well for volumes for building sites and
states ohms lawohms law describes that the current i flowing in a circuit is directly proportional to the applied voltage v and inversely
find the resistance of 1 km of copper cable having a diameter of 10 mm if the resistivity of copper is 0017 x 10-6
calculate the cross-sectional area in mm2 of a piece of aluminium wire 100 m long and having a resistance of 2omega take the resistivity of aluminium
find the resistance of 800 m of copper cable of cross-sectional area 20 mm take the resistivity of copper as 002
some wire of cross-sectional area 1mm2 has a resistance of 20omega determinea the resistance of a wire of the same length and material if the
the resistance of a 2 m length of cable is 25 verifya the resistance of a 7 m length of the similar cable andb the length of the same wire when the
verify the resistance of 1200 m of copper cable having a diameter of 12 mm if the resistivity of copper is 17 x 10-8
the resistance of 15 km of wire of cross-sectional area 017 mm2 is 150omega determine the resistivity of the
calculate the resistance of a 2 km length of aluminium overhead power cable if the cross-sectional area of the cable is 100 mm2 take the resistivity
the resistance of a 5 m length of wire is 600omegadetermine a the resistance of an 8 m length of the same wireb the length of the same wire
the resistance of an electrical conductor depends on 4 factors these being a the length of the conductor b the cross-sectional area of
project specifications require a relative compaction of 95 modified proctor construction of a highway embankment requires 10000-yd3 of fill
explain multimetera multimeter or universal instrument may be used to measure voltage current and
what is ohmmeteran ohmmeter is an instrument for measuring
define a voltmeter a voltmeter is an instrument used to measure pd and must be linked in parallel with the part of the circuit whose pd is
what is ammeteran ammeter is an instrument used to calculate current and must be connected in series with the
if a current of 20a flows for five minutes find the quantity of electricity transferred quantity of electricity q it 20 x 5 x 60 6000c
soil at a borrow area has a total unit weight of 120-pcf and a water content of 15 percent the soil from the borrow area will be used as
a contractor was awarded a contract to excavate and haul 200000-yds3 of silty clay uscs classification ml with a bulking factor of 30 the
unit to measure the electric charge qthe unit used to measure the quantity of electrical charge q is called the coulomb
define electric currentif an electric pressure or voltage is applied across any material there is a tendency for electrons to move in a certain
20 cells with emf 145v and internal resistance 05omega for each cells is linked 4 rows which every rows having of 5 cells in series load resistance