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a contractor will place 90-cubic yards of concrete for a housekeeping pad on the rooftop of a 36-ft tall building site conditions dictate that the
thevenins theorem procedure 1 open circuit rl and find thevenins voltage vth2 find thevenins resistance rth when voltage source is short
thevenin s theoremthevenins theorem statesany linear circuit containing several energy source and resistances can be replaced by just a single
a capital improvement project requires the installation of a property line fence along the 250-ft northern boundary linethe decorative aluminum fence
nodal analysis procedure1 verify the number of common nodes and reference node within the network2 assign current and its direction to every
nodes analysisanalysis using kcl to solve for voltages at every common node of the network and as determines the currents by and voltages across
mesh analysis procedure1 assign a distinct current to every closed loop of the network2 apply kvl around every closed loop of the
explain the statements about the construction contract processi surety bond assures the project owner a guarantee of funds equivalent to a promissory
mesh analysisanalysis using kvl to solve for the currents around every closed loop of the network and hence verify the currents through and voltages
a section view of a proposed roadway is shown in figure 1 with an existing grade point elevation of 100-ft the proposed roadbed finish grade
the trigonometric levelling from the surveyors notes is shown below the ground elevation of t ft is most nearlysolution the elevation of point p
name the effects of electric currentthere are three effects of electric current-a magnetic effect b chemical effect c heating
electrical energyif the power is measured in watts and the time in seconds then the unit of energy is watt- seconds or
electrical powerpower p in an electrical circuit is given by the product of potential difference v and current i the unit of power is the watt
explain the statements about the differential levellingi bench mark bm - relatively permanent point of known elevation as indicated on the
explain current divider rulecurrent flow through at every resistor that connected by parallel can be find by using current divider rules
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