IGCSE Grade 9 PHYSICS

Electricity and Magnetism

(IGCSE 9, PHYSICS)

Quizzes

Quiz 1

IGCSE, 9, PHYSICS, Electricity and Magnetism

This quiz has 5 Questions.

Quiz 2

IGCSE, 9, PHYSICS, Electricity and Magnetism

This quiz has 5 Questions.

Quiz 3
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IGCSE, 9, PHYSICS, Electricity and Magnetism

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Quiz 4
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IGCSE, 9, PHYSICS, Electricity and Magnetism

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Quiz 5
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IGCSE, 9, PHYSICS, Electricity and Magnetism

This quiz has 5 Questions.


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Quiz 6
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IGCSE, 9, PHYSICS, Electricity and Magnetism

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Videos

Topics Covered
Simple phenomena of magnetism- forces between magnets and magnetic materials
induced magnetic
distinguish between magnetic and non-magnetic materials
methods of magnetization
stroking with a magnet
hammering in a magnetic field
magnetic field lines of a bar magnet
magnetic properties of soft iron and steel
distinguish between permanent magnets and electromagnets
magnetic force
methods of demagnetization
Electrical quantities- electric charge and their properties
production and detection of electrostatic charge
measure the amount of charge
electric field and its direction
simple field patterns
charging by induction
distinguish between electrical conductors and insulators
simple electron model
current
flow of charge
analog and digital ammeter
direction of flow of electrons and conventional current
electromotive force and its measurement
potential difference and its measurements
analog and digital voltmeter
resistance
relation between resistance current and potential difference
relationship between resistance of a wire to its length and diameter
ohmic resistor
filament lamp
Electrical working
transfer of energy in an electric circuit
equations P = IV and E = IVt
Electric circuits- draw and interpret circuit diagrams, Series and parallel circuits, current in series and parallel circuits, resultant resistance of series and parallel circuits
advantages for series and parallel circuits
combined e.m.f. of several sources
potential difference and current in series and parallel circuits
uses of circuit components
variable potential divider
thermistors
light dependent resistors
input transducers
relay and switching circuits
diode and rectifier
light-sensitive switches and temperature-operated alarms
Digital electronics- analogue, digital, continuous variation
high/low states
symbols and uses of logical gates simple digital circuits using logical gates
truth tables
Dangers of electricity- damaged insulation, overheating, damp conditions, fuse, circuit breakers, earthing metal cases Electromagnetic effects- induced e.m.f., electromagnetic induction,factors affecting induced e.m.f., direction of induced e.m.f
state the relative direction of force
field and induced current
a.c. generator
distinguish between direct current and alternate current
rotating coil generator
slip rings
graph of voltage output against time for a.c. generator
relation between the position of generator coil to voltage output
transformer
basic transformers
voltage transformers
step-up step-down
transmission of electricity
advantage of high-voltage transmission
principle of operation of a transforme
relation between power loss in cables and voltage
magnetic effect of current
pattern and application of magnetic field
strength and direction of magnetic field lines
force on a current-carrying conductor
relative directions of force field and current
d.c. motor
turning effect
split ring commutator