Physics
The magnitude of force acting on a current carrying wire placed in a magnetic field in a direction perpendicular to its length depends on :
- The current flowing in the wire
- The strength of the magnetic field
- The length of the wire
- all of the above
Related Questions
The incomplete diagram of an electric bell is given in figure. Draw winding of coil on the core and complete the electric circuit in the diagram.
A charge moving in a magnetic field in a direction other than the direction of the magnetic field experiences a force called :
- Lorentz force
- Nuclear force
- Electric force
- Gravitational force
The speed of rotation of coil can be increased by :
- decreasing the strength of the magnetic field
- decreasing the area of the coil
- increasing the area of the coil
- decreasing the number of turns in the coil
The function of a split ring commutator is to :
- increase the magnetic field
- increase the current
- reverse the direction of the current
- none of the above