- Messages
- 71
- Reaction score
- 1
- Points
- 0
Assalam 0 Alaikum, I am Ali (New in this forum) , here are your physics IGCSE notes,
Bismillah E Rehman E Rahim,:
♦Electro Magnetic Induction consist of 3 parts:
Soleniod
A.C Generator
Transformer
♦Ways to increase magnitude of e.m.f:
Use stronger Magnet
Increase the speed of moving the magnets
Increase no. of turns on the coil.
♦Properties of sound wave
1) The higher the amplitude, the louder is the sound.
2) Frequency is the pitch of the sound.
3) Quality refers to the tone
♦Ways to Demagnetise Magnets
1)Dropping/ Hammering
2)Heating
3)Electrical Method (Use of AC Current)
♦PHYSICS Kinematics
Speed refers to the distance travelled per unit time.
Velocity is the rate of change of displacement
Acceleration is the rate of change of velocity
Amplitude : refers to the maximum displacement from rest position.
Wavelength : refers to the distance between one crest to the next successive crest. SI Unit: Lamda 入
Frequency : refers to the number of waves produced per unit time. SI Unit: Hertz (Hz)
Period : refers to the time taken for one complete wave.
Speed : refers to the distance travelled by the wave per unit time.
♦NAME : Measured in : SI Unit
Voltage : Volts : V
Resistance : Ohms : Ω
Current : Ampheres : A
Power : Watts : W
Energy : Joules : J
Force : Newtons : N
Charge : Coulomb : C
Frequency : Hertz : Hz
Time : Seconds : S
Here you go with some important physics IGCSE formulaes:
Formula in Symbols Formula in Words
v = d / t speed = total distance / total time
w = m x g weight = mass x acceleration of gravity
a = v / t acceleration = change in speed / change in time
d = m / v density = mass / volume
F = m x a force = mass x acceleration
x = k x F extension = a constant x load
W = F x d work = force x distance
p.e. = m x g x h potential energy = mass x acceleration of gravity x height
k.e. = ½ x m x v2 kinetic energy = ½ x mass x velocity squared
e = Eout / Ein x 100% energy efficiency = energy output / energy input x 100%
E = W energy used = work done
E = m x c2 energy of a nuclear reaction = mass x speed of light squared
P = E / t power = energy / time
Physics of Waves
Formula in Symbols Formula in Words
c = f x speed of a wave = frequency x wavelength
i = r angle of incidence = angle of reflection
n = sin i / sin r index of refraction = sine of incident angle / sine of refracted angle
Electricity and Magnetism
Formula in Symbols Formula in Words
I = Q / t current = charge / time
R = V / I resistance = potential difference / current
R = k x l / A resistance = a constant x length / cross sectional area
R = R1 + R2 resistances in series add together
1 / R = 1 / R1 + 1 / R2 reciprocals of resistances in parallel add together
I = I1 + I2 currents in parallel add together
Iin = Iout total current into a point = total current out of a point
V = V1 + V2 voltage of source = sum of all voltage drops in a circuit
P = I x V power used in an electric circuit = current x voltage
E = I x V x t energy used in an electric circuit = current x voltage x time
Vp = Np voltage in primary coil = number of turns in primary coil
Vs = Ns voltage in secondary coil number of turns in secondary coil
Vp x Ip = Vs x Is power in primary coil = power in secondary coil (for a perfect transformer)
Geometry
Formula in Symbols Formula in Words
a = s2 area of a square = length of side squared
a = l x w area of a rectangle = length x width
a = ½ x b x h area of a triangle = ½ x base x height
a = x r2 area of a circle = Pi x radius squared
v = s3 volume of cube = length of side cubed
v = l x w x h volume of cuboid = length x width x height
v = x r2 x h volume of cylinder = Pi x radius squared x height
Some ordinary formulaes also. (If repeated then ignore):
V=Resistance (R) * Current (I)
f=ma
w=mg
e=mc2
m=fd
e=mv2/2g kinetic energy
e=mgz/g potential energy
p=p(rho)gh/g pressure of depth
gamma=p(rho)g/g specific weight
t=(u/g)(dv/dy) shear stress
Oh atlast it has finished . My palm is paining but no problem If I've helped u guyz.
Just Hope for A*
InshAllah we will get an A*
If any correction need to be made please inform thanks.
All u guyz can do for me is :
Just pray for me !
Thanks,
Warm Regards,
-A|i-
Bismillah E Rehman E Rahim,:
♦Electro Magnetic Induction consist of 3 parts:
Soleniod
A.C Generator
Transformer
♦Ways to increase magnitude of e.m.f:
Use stronger Magnet
Increase the speed of moving the magnets
Increase no. of turns on the coil.
♦Properties of sound wave
1) The higher the amplitude, the louder is the sound.
2) Frequency is the pitch of the sound.
3) Quality refers to the tone
♦Ways to Demagnetise Magnets
1)Dropping/ Hammering
2)Heating
3)Electrical Method (Use of AC Current)
♦PHYSICS Kinematics
Speed refers to the distance travelled per unit time.
Velocity is the rate of change of displacement
Acceleration is the rate of change of velocity
Amplitude : refers to the maximum displacement from rest position.
Wavelength : refers to the distance between one crest to the next successive crest. SI Unit: Lamda 入
Frequency : refers to the number of waves produced per unit time. SI Unit: Hertz (Hz)
Period : refers to the time taken for one complete wave.
Speed : refers to the distance travelled by the wave per unit time.
♦NAME : Measured in : SI Unit
Voltage : Volts : V
Resistance : Ohms : Ω
Current : Ampheres : A
Power : Watts : W
Energy : Joules : J
Force : Newtons : N
Charge : Coulomb : C
Frequency : Hertz : Hz
Time : Seconds : S
Here you go with some important physics IGCSE formulaes:
Formula in Symbols Formula in Words
v = d / t speed = total distance / total time
w = m x g weight = mass x acceleration of gravity
a = v / t acceleration = change in speed / change in time
d = m / v density = mass / volume
F = m x a force = mass x acceleration
x = k x F extension = a constant x load
W = F x d work = force x distance
p.e. = m x g x h potential energy = mass x acceleration of gravity x height
k.e. = ½ x m x v2 kinetic energy = ½ x mass x velocity squared
e = Eout / Ein x 100% energy efficiency = energy output / energy input x 100%
E = W energy used = work done
E = m x c2 energy of a nuclear reaction = mass x speed of light squared
P = E / t power = energy / time
Physics of Waves
Formula in Symbols Formula in Words
c = f x speed of a wave = frequency x wavelength
i = r angle of incidence = angle of reflection
n = sin i / sin r index of refraction = sine of incident angle / sine of refracted angle
Electricity and Magnetism
Formula in Symbols Formula in Words
I = Q / t current = charge / time
R = V / I resistance = potential difference / current
R = k x l / A resistance = a constant x length / cross sectional area
R = R1 + R2 resistances in series add together
1 / R = 1 / R1 + 1 / R2 reciprocals of resistances in parallel add together
I = I1 + I2 currents in parallel add together
Iin = Iout total current into a point = total current out of a point
V = V1 + V2 voltage of source = sum of all voltage drops in a circuit
P = I x V power used in an electric circuit = current x voltage
E = I x V x t energy used in an electric circuit = current x voltage x time
Vp = Np voltage in primary coil = number of turns in primary coil
Vs = Ns voltage in secondary coil number of turns in secondary coil
Vp x Ip = Vs x Is power in primary coil = power in secondary coil (for a perfect transformer)
Geometry
Formula in Symbols Formula in Words
a = s2 area of a square = length of side squared
a = l x w area of a rectangle = length x width
a = ½ x b x h area of a triangle = ½ x base x height
a = x r2 area of a circle = Pi x radius squared
v = s3 volume of cube = length of side cubed
v = l x w x h volume of cuboid = length x width x height
v = x r2 x h volume of cylinder = Pi x radius squared x height
Some ordinary formulaes also. (If repeated then ignore):
V=Resistance (R) * Current (I)
f=ma
w=mg
e=mc2
m=fd
e=mv2/2g kinetic energy
e=mgz/g potential energy
p=p(rho)gh/g pressure of depth
gamma=p(rho)g/g specific weight
t=(u/g)(dv/dy) shear stress
Oh atlast it has finished . My palm is paining but no problem If I've helped u guyz.
Just Hope for A*
InshAllah we will get an A*
If any correction need to be made please inform thanks.
All u guyz can do for me is :
Just pray for me !
Thanks,
Warm Regards,
-A|i-
