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# Physic for A level & UTME

Simplifying physics for better understanding for students to excel in ‘A level’ and UTME

## Notes on ideal gases for Cambridge A level and UTME

An ideal gas is one that obeys the gas laws, and equation of state for ideal gas, at all temperature, pressure and volume. This means Ideal gas obeys pV = nRT P = Pressure V = Volume T = Temperature R = universal gas constant n= number of moles Infer …

## How to solve questions on capacitance of capacitor for Cambridge A level and UTME

Question 1 Three capacitors, each of capacitance 48 μF, are connected as shown in Fig below (a) Calculate the total capacitance between points A and B. (b) The maximum safe potential difference that can be applied across any one capacitor is 6 V. Determine the maximum safe potential difference that …

## How to solve questions on gravitational field for Cambridge A level and UTME

Question 1 The earth is four times the size of the moon and the acceleration due to gravity on the earth is 80 times that on the moon. The ratio of the mass of the moon to that of the earth is(gravitational force UTME 2004) A.  1 : 320   …

## Notes on capacitance of a capacitor for Cambridge A level and UTME

Capacitance of a capacitor is the charge stored on one plate per unit of potential difference between the plates c is the capacitance Q is the charge v is the potential difference Farad is the unit of capacitance Uses of capacitor it stores energy smoothing circuit separate charges blocking D.C …

## Notes on gravitational field for Cambridge A level and UTME

According to Newton, all masses create a gravitational field in the space round them. The field give rise to a force on any object having mass placed in this field. The moon orbits the earth because it experiences a gravitational force due to the earth’s gravitational field. If an object …

## How to solve questions on electric field for Cambridge A level and UTME

Question 1 Two parallel metal plates, 4.0 cm apart, are at electric potentials of 800 V and 2000 V. Points X, Y and Z are situated in the space between the plates at distances of 1.0 cm, 2.0 cm and 3.0 cm from the lower plate What is the electric …

## Notes on electric field for Cambridge A level and UTME

Electric field is a region of space where an electric charge body/object experience a electric force. Field of force gravitational field – point mass electric field – charge magnetic field – current carrying conductor / charge Field of force are always vector quantities because their field lines always show the …

## How to solve questions on Nuclear Physics for Cambridge A level

Question 1 The gold nucleus 185Au79 undergoes alpha decay. What are the nucleon number and proton number of the nucleus formed by this decay?{cambridge A level may/june 2016 p12} Solution Au undergoes alpha decay 185Au79 – 181X77 + 4He2 The above equation is conserved since the number of nucleon and …