Question 1 What is an electric motor? Question 2 On what principle does electric motor works? Question 3 Explain the construction and working of electric motor? Question 4 Give commercial use of electric motor? Question 5 Give uses of D.C. motor? Electric Motor Fig. Diagram of Electric Motor Electric Motor is a device which converts electrical energy into … [Read more...] about Electric Motor
Class 10
Factors on which the Force acting on Current carrying Conductor Depends
Question 1 Name the factors on which the force acting on current carrying conductor depends? Factors on which the force acting on Current carrying Conductor Depends (1) Strength of Magnetic Field Force is directly proportional to strength of magnetic field. (2) Strength of electric field Force is directly proportional to strength of magnetic field. (3) Length of … [Read more...] about Factors on which the Force acting on Current carrying Conductor Depends
Force on a current carrying conductor in a magnetic field
Question 1 Define Fleming's left hand rule? Force on a Current carrying Conductor in a Magnetic Field When a current carrying conductor is placed in a magnetic field, the conductor experiences a force. (1) Take a small aluminium rod. Using two connecting wires suspend it horizontally from a stand. (2) Place a strong horse-shoe magnet in such a way that the rod … [Read more...] about Force on a current carrying conductor in a magnetic field
Magnetic Field Due to a Current in a Solenoid
Question 1 What is a solenoid? Question 2 Draw the pattern of field lines due to a solenoid carrying electric current? Magnetic Field due to a Current in a Solenoid A solenoid is a coil of many turns of an insulated copper wire closely wound in the shape of a tight spring. When an electric current flow through a solenoid, magnetic field is set up around … [Read more...] about Magnetic Field Due to a Current in a Solenoid
Magnetic field due to a current through circular loop
Question 1 Draw the pattern of lines of force due to a magnetic field through a current carrying circular loop of wire? Question 2 How does the strength of the magnetic field at the centre of a circular coil of wire depends on the radius of coil? Question 3 How does the strength of the magnetic field at the centre of a circular coil of wire depends on the number of turns … [Read more...] about Magnetic field due to a current through circular loop