Physics
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
Related Questions
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
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
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
State the unit of magnetic field in terms of the force experienced by a current carrying conductor placed in a magnetic field.