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Fleming’s rules
Fleming’s right hand is used to determine direction of magnetic field in a current carrying conductor(involves current only) while Fleming’s left hand is used to determine the direction of a conductor in a magnetic field (involves current and magnetism)
Fleming’s right hand is used to determine direction of magnetic field in a current carrying conductor(involves current only) while Fleming’s left hand is used to determine the direction of a conductor in a magnetic field (involves current and magnetism)
See lessFactors affecting capacitance
1. the distance between two plates 2. nature of dielectric material 3.
1. the distance between two plates
See less2. nature of dielectric material
3.
Cells
3v
3v
See lessElectricity
Any connection of the two wires( live and neutral )will always complete a circuit. Birds will only perch on one wire.
Any connection of the two wires( live and neutral )will always complete a circuit. Birds will only perch on one wire.
See lessMagnetism
The strength of a magnet is stronger at the ends because magnetic field lines are very close to each other. Consequently, magnetic flux density is maximum. Hence, poles have stronger attracting power.
The strength of a magnet is stronger at the ends because magnetic field lines are very close to each other. Consequently, magnetic flux density is maximum. Hence, poles have stronger attracting power.
See lessCells and simple circuit
1. Polarisation 2. Local action CONTROL 1. Polarisation can be controlled by using a depolarizer. 2. Local action can be controlled by using pure zinc, amalgamation.
1. Polarisation
2. Local action
CONTROL
See less1. Polarisation can be controlled by using a depolarizer.
2. Local action can be controlled by using pure zinc, amalgamation.
Magnetism
A- same magnetising current gives it a greater magnetic field strength than B. example of such material is iron [soft magnetic]
A- same magnetising current gives it a greater magnetic field strength than B. example of such material is iron [soft magnetic]
See lessMagnetism and electrical
Repulsion only occurs when two like poles of a magnet exist while attraction can occur between unlike poles of a magnet and/or between a magnet and a magnetic material.
Repulsion only occurs when two like poles of a magnet exist while attraction can occur between unlike poles of a magnet and/or between a magnet and a magnetic material.
See lessMagnetic effect of electric current
It converts ac to DC before it is used.
It converts ac to DC before it is used.
See lessMagnetism
Soft iron gets strongly magnetised by induction hence forms complete loops of magnetic strength when their dipoles are aligned.
Soft iron gets strongly magnetised by induction hence forms complete loops of magnetic strength when their dipoles are aligned.
See less