Intense magnetic field may be produced in a coil by using a
A. Normal metal with a large number of turns and sending a large current
B. Type-I superconductor with a large number of turns and sending a large current
C. Type-II superconductor with a large number of turns and sending a large current
D. Type-II superconductor with a large number of turns but limiting the current density below a critical value
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Materials And Components
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