A solenoid has a core of material with relative permeability \(400.\) The windings of the solenoid are insulated from the core and carry a current of \(2\) A. If the number of turns is \(1000\) per metre, the magnetic field intensity \(H\) is:
1. \(2\times10^2\) A/m
2. \(2\times10^3\) A/m
3. \(2\) A/m
4. \(20\) A/m

A solenoid has a core of material with relative permeability \(400.\) The windings of the solenoid are insulated from the core and carry a current of \(2~\text{A}\). If the number of turns is \(1000\) per metre, the magnetising field \(B\) is:
1. \(10~\text{T}\) 
2. \(1~\text{T}\)
3. \(0.1~\text{T}\)
4. \(2~\text{T}\)

A solenoid has a core of material with relative permeability \(400\). The windings of the solenoid are insulated from the core and carry a current of \(2~\text{A}\). If the number of turns is \(1000\) per metre, the magnetization, \(M\) is:
1. \(8\times10^{5}~\text{A/m}\)
2. \(6\times10^{5}~\text{A/m}\)
3. \(6.5\times10^{5}~\text{A/m}\)
4. \(8.9\times10^{5}~\text{A/m}\)$\mathrm{}$