A cell is connected between two points of a uniformly thick circular conductor. The magnetic field at the centre of the loop will be(Here ${i_1}$ and ${i_2}$ are the currents flowing in the two parts of the circular conductor of radius $a$ and ${\mu _0}$ has the usual meaning)

Question

Accepted Answer

Zero

Answer

$\frac{{{\mu _0}}}{{2a}}({i_1} - {i_2})$

Answer

$\frac{{{\mu _0}}}{{2a}}({i_1} + {i_2})$

Answer

$\frac{{{\mu _0}}}{a}({i_1} + {i_2})$

Moving Charges and Magnetism

Question: A cell is connected between two points of a uniformly thick circular conductor. The magnetic field at the centre of the loop will be(Here ${i_1}$ and ${i_2}$ are the currents flowing in the two parts of the circular conductor of radius $a$ and ${\mu _0}$ has the usual meaning)

Moving Charges and Magnetism

Question: A cell is connected between two points of a uniformly thick circular conductor. The magnetic field at the centre of the loop will be(Here ${i_1}$ and ${i_2}$ are the currents flowing in the two parts of the circular conductor of radius $a$ and ${\mu _0}$ has the usual meaning)

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