# SS 3 Physics (1st Term)

## ELECTROMAGNETIC FIELD II

ELECTROMAGNETIC FIELD This is a field representing the joint interaction of electric and magnetic forces.  It is exerted on charged particles.  The force on a charge q moving with velocity… Read More »ELECTROMAGNETIC FIELD II

## ELECTROMAGNETIC FIELD

PATTERNS OF MAGNETIC FIELDS Magnetic field pattern can easily be observed using iron fillings.  The magnetic is put on paper and the iron fillings are sprinkled lightly on the paper… Read More »ELECTROMAGNETIC FIELD

## MAGNETIC FIELD

MAGNET AND ITS PROPERTIES A magnet is any material that is capable of attracting other pieces of the same material as well as pieces of iron. A substance is said… Read More »MAGNETIC FIELD

## ELECTRIC MEASUREMENT

RESISTIVITY AND CONDUCTIVITY The resistance of a wire maintain at a constant temperature is related to its length L and its cross-sectional area (A) by the expression R = ρl… Read More »ELECTRIC MEASUREMENT

## ELECTROLYSIS

DEFINITION OF SIMPLE TERMS Electrolysis – Is the process whereby a liquid conducts electricity by the movement of positive and negative ions within the liquid while undergoing chemical changes. Electrolytes… Read More »ELECTROLYSIS

## ELECTRIC CELLS

ELECTRIC CIRCUIT Electric current is simply electric charge in motion. Electric cells are chemical devices, which are capable of causing an electric current to flow. This produces electric force, which… Read More »ELECTRIC CELLS

## ELECTRIC FIELD

An electric field is a region of space which surrounds a system of electric charges. Electrical forces will act on any electric charge which is placed within the region.  Electric… Read More »ELECTRIC FIELD

## GRAVITATIONAL FIELD

INTRODUCTION Gravitational field is a region or space around a mass in which the gravitational force of the mass can be felt. Gravitation is the force of attraction exerted by… Read More »GRAVITATIONAL FIELD

## ELECTROMAGNETIC WAVES

DEFINITION AND CONCEPT Electromagnetic waves are produced by electromagnetic vibrations. Electromagnetic waves have electrical origin and the ability to travel in vacuum.  So, electromagnetic waves are regarded as a combination… Read More »ELECTROMAGNETIC WAVES