Physics

Fleming’s Right Hand Rule The forefinger, the middle finger and the thumb of the right hand are held in the three mutually perpendicular directions. If…

Current loop as a magnetic dipole: Ampere found that the distribution of magnetic lines of force around a finite current carrying solenoid is similar to…

The magnetic dipole moment of a revolving electron According to Neil Bohr’s atom model, the negatively charged electron is revolving around a positively charged nucleus…

In the year 1820, Hans Christian Oersted demonstrated that a current carrying conductor is associated with a magnetic field. Thereafter, attempts were made by many…

Conversion of Galvanometer into an Ammeter: A galvanometer is a device used to detect the flow of current in an electrical circuit. Even though the deflection…

Conversion of galvanometer into a voltmeter: Voltmeter is an instrument used to measure potential difference between the two ends of a current carrying conductor. A…

Voltage sensitivity is the measure of the responsiveness of an appliance to the transform of applied voltage across it. A galvanometer is a type of…

Theory Moving coil galvanometer Let PQRS be a single turn of the coil (Figure: a). A current I flows through the coil. In a radial…

Moving coil galvanometer works on the principle that a current-carrying coil placed in a magnetic field experiences a torque. It is an instrument which is…

Moving coil galvanometer is a device used for measuring the current in a circuit. A moving coil galvanometer is an instrument used for detection and…