Physics
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
Related Questions
Figure shows the current flowing in the coil of wire wound around the soft iron horse shoe core.
(a) State the polarities developed at the ends A and B.
(b) How will the polarity at the ends A and B change on reversing the direction of current.
(c) Suggest one way to increase the strength of magnetic filed produced.
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.
Magnetic force is given by :
- F = IB/l
- F = IBl
- F = l/IB
- F = Il/B
The unit of a magnetic field is :
- NAm
- Nm A-1
- N-1mA
- Nm-1A-1