At a particular temperature and current density, the critical magnetic field for a Type I superconductor is Bc

At a particular temperature and current density, the critical magnetic field for a Type I superconductor is Bc and that for a type II superconductor ranges from Bc1 to Bc2 keeping other parameters unloaded. both superconductors are now subjected to a magnetic field B that satisfies the conditions B>Bc and Bc1 < B < Bc2. Which of the following statements is then true? 

(a) Both type I and Type II superconductors will switch to their normal conducting states 

(b) Both Type I and Type II superconductors will maintain their superconducting states 

(c) Type I superconductor will remain in superconducting state, while type II super conductor will maintain a vortex state 

(d) Type I superconductor will switch to the normal conducting state, while Type II superconductor will maintain a vortex sate
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Answer :

At a particular temperature and current density, the critical magnetic field for a Type I superconductor is Bc and that for a type II superconductor ranges from Bc1 to Bc2 keeping other parameters unloaded. both superconductors are now subjected to a magnetic field B that satisfies the conditions B>Bc and Bc1 < B < Bc2. Which of the following statements is then true? 

(a) Both type I and Type II superconductors will switch to their normal conducting states 

(b) Both Type I and Type II superconductors will maintain their superconducting states 

(c) Type I superconductor will remain in superconducting state, while type II super conductor will maintain a vortex state 

(d) Type I superconductor will switch to the normal conducting state, while Type II superconductor will maintain a vortex sate

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