A straight long wire is turned into a loop of radius , as shown in figure 6 below. If a current is…
Physics20221 markMCQ
A straight long wire is turned into a loop of radius $R = 10\text{ cm}$, as shown in figure 6 below. If a current $I = 16\text{ A}$ is passed through the wire, then the magnetic field at the centre of the loop is: