^Resistance of various geometries
Resistance of various geometries Relations 1 to 4 are across length & relations 5 is for radial flow. Above results […]
Entries by kp-web-admin
^Electric resistance
Electric resistance Depends upon the nature of material, shape & size, physical state like temperature, pressure, type & extent of […]
^Ohm’s law
Ohm’s law (a) = constant called electrical resistance R, provided there is no change in the physical conditions like temperature, […]
^The magnitude of the difference between the individual measurement and the actual or true value is called the absolute error in the
^The magnitude of the difference between the individual measurement and the actual or true value is called the absolute error […]
^Resistivity of conductors (ρ)
Resistivity of conductors (ρ) Resistance per unit length per unit cross sectional area of a material is called its resistivity […]
^Continuity equation for Conductors
Continuity equation for Conductors For a conductor of variable cross section = constant at all sections but drift speed varies […]
^Current mechanism in conductors
Current mechanism in conductors In metals about 10 29 m – 3 of free electrons (called average number density ‘n’ […]
^Electric current (I) & current density (J)
Electric current (I) & current density (J) Electric current is the rate at which electric charge crosses a plane. i.e. […]
^Wheatstone bridge
Wheatstone bridge The arrangement of five capacitors as shown is called Wheat stone bridge. If then points P & […]
^Kirchoff’s laws
Kirchoff’s laws 1st or junction rule: Σq = 0 at any isolated junction to conserve charge. 2nd or mesh rule: […]
