wiring diagrams

The magnetic field B is a) Proportional to the current I. b) Inversely proportional to the distance d c) The field has the same value on a circle of radius 'a'. Hence the magnetic field around the wire is in form of concentric circles. d) When a 0, the value of magnetic field strength ..

. An unbalanced force changes the state of constant velocity including zero velocity of a body on which it acts. Forces may be balanced or unbalanced. An iron ball suspended from a hook by a wire [Figure (a) shown below] has two forces acting on it, its weight, acting vertically downward ..

Electromotive Force (EMF) and Voltage - No current flows in a copper wire by itself, just as water in a horizontal tube does not flow. If one end of the tube is connected to a tank with water such that there is a pressure difference between the two ends of the horizontal tube, water flows..

The magnetic field due to a section of the solenoid which has been stretched out for clarity. Only the interior semi-circular part is shown. Notice how the circular loops between neighbouring turns tend to cancel. Solenoid is long wire wound in form of helix such that the length of sole..

Applications of Elasticity - Mechanical properties like strength, stiffness (Rigidity), ductility, malleability and brittleness have to be carefully studied to select a material for a particular job. The metallic parts of machines should not be subjected to stress beyond the elastic limit otherwise..

Torque on a Current Carrying Coil in a Magnetic Field - When an electric current flows in a closed loop of wire, placed in a uniform magnetic field, the magnetic forces produce a torque which tends to rotate the loop so that area of the loop is perpendicular to the direction of the magnet..