Circular loop of a wire and a long straight wire carry currents $I_c$ and $I_e$, respectively as shown in figure. Assuming that these are placed in the same plane, the magnetic fields will be zero at the centre of the loop when the separation $H$ is
Circular loop of a wire and a long straight wire carry currents $I_c$ and $I_e$, respectively as shown in figure. Assuming that these are placed in the same plane, the magnetic fields will be zero at the centre of the loop when the separation $H$ is
- [AIIMS 2006]
- A
$\frac{{{I_e}R}}{{{I_c}\pi }}$
- B
$\frac{{{I_c}R}}{{{I_e}\pi }}$
- C
$\frac{{\pi {I_c}}}{{{I_e}R}}$
- D
$\frac{{{I_e}\pi }}{{{I_c}R}}$
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