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A length L of wire carries a steady current 1 A. It is bent first to form a coil of 1 turn. The same length is now bent more sharply to give a double loop of smaller radius. The magnetic field at the center caused by the same current is
One forth of its first value
Same as of its first value
Four times of its first value
Half of its first value
Four times of its first value
Practice and solve "A length L of wire carries a steady current 1 A. It is bent first to form a coil of 1 turn. The same..." for Electrical - Electromagnetics Field Theory . The correct answer is Option C: Four times of its first value. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(c) **