Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
a 50 pf capacitor is made up of two plates separated by a dielectric 2 mm thick and of relative permittivity 14
assignmentquestion 1 is the exploitation of an organizations telephone dial and private branch exchange pbx system to
for the circuit shown in fig 334 the total capacitance is 16 pf calculatea the value of the unmarked capacitorb the
1 a 20 muf capacitor is charged to a pd of 250 v calculate the energy stored2 the energy stored by a 400 pf capacitor
advanced web scripting - practical assessmentbackground requirementsparkfordshire university has a timetabling system
when a capacitor is connected across a 200 v supply it takes a charge of 8 muc calculatea its capacitanceb the energy
two capacitors of 4 muf and 6 muf are connected in series across a 250 v supplya calculate the charge and pd across
a ceramic capacitor is to be made so that it has a capacitance of 100 pf and is to be operated from a 750 v supply
1 the pole faces of a magnet are 4 cm 3 cm and produce a flux of 05 mwb calculate the flux density2 a flux density of
1 a magnetising coil of 850 turns carries a current of 25 ma determine the resulting mmf2 it is required to produce an
1 a toroid has an mmf of 845 at applied to it if the mean length of the toroid is 15 cm determine the resulting
a magnetic circuit made of radiometal is subjected to a magnetic field strength of 5000 atm using the data given in fig
a circular toroid of mean diameter 25 cm and csa 4 cm 2 has a 15 mm air gap in it the toroid is wound with a 1200 turn
a closed magnetic circuit made from silicon steel consists of two sections connected in series one is of effective
a magnetic circuit of csa 045 cm 2 consists of one part 4 cm long and mur of 1200 and a second part 3 cm long and mur
1 the flux linking a 600 turn coil changes uniformly from 100 mwb to 50 mwb in a time of 85 ms calculate the average
1 a flux of 15 mwb linking with a 250 turn coil is uniformly reversed in a time of 002 s calculate the value of the emf
a coil of 5000 turns is wound on to a nonmagnetic toroid of csa 100 cm2 and mean circumference 05 m a second coil of
1 when the current in a coil changes from 2 a to 12 a in a time of 150 ms the emf induced into an adjacent coil is 8 v
1 a coil has 300 turns and an inductance of 5 mh how many turns would be required to produce an inductance of 08 mh if
1 when a current of 25 a flows through a 05 h inductor the flux produced is 80 wb determine the number of turns2 a 1000
1 explain what is meant by the term lsquo loading effect 2 a voltmeter having a figure of merit of 15 k omega volt has
for the meter movement described in question 19 above show how it may be adapted to serve as a voltmeter with voltage
1 the magnetic flux density at a distance of 14 m from the centre of a current carrying conductor is 025 mt determine
a moving coil meter has a coil of 60 turns wound on to a former of effective length 225 mm and diameter 15 mm if the