Two concentric coils each of radius equal to $2$ $\pi $ $cm$ are placed at right angles to each other. $3$ ampere and $4$ ampere are the currents flowing in each coil respectively . The magnetic induction in Weber / ${m^2}$ at the center of the coils will be $\left( {\mu = 4\pi \times {{10}^{ - 7}}Wb/A.m} \right)$

Question

Two concentric coils each of radius equal to $2$ $\pi $ $cm$ are placed at right angles to each other. $3$ ampere and $4$ ampere are the currents flowing in each coil respectively . The magnetic induction in Weber / ${m^2}$ at the center of the coils will be
$\left( {\mu = 4\pi \times {{10}^{ - 7}}Wb/A.m} \right)$

${10^{ - 5}}$

$12 \times {10^{ - 5}}$

$7 \times {10^{ - 5}}$

$5 \times {10^{ - 5}}$

Solution

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