Field at the centre of a circular arc subtending a given angle

1. A.
   $\frac{\mu_0 I}{8r}$
2. B.
   $\frac{\mu_0 I}{32r}$
3. C.
   $\frac{\mu_0 I}{64r}$
4. D.
   $\frac{\mu_0 I}{16r}$

Tap an option to check your answer.

1. A.
   $\frac{\mu_0 I}{2R}$
2. B.
   $\frac{\mu_0 I}{8R}$
3. C.
   $\frac{\mu_0 I}{4R}$
4. D.
   $\frac{2\mu_0 I}{5R}$

Tap an option to check your answer.

1. A.
   $\frac{\mu_0 l}{32r}$
2. B.
   $\frac{\mu_0 I}{16r}$
3. C.
   $\frac{\mu_0 I}{64r}$
4. D.
   $\frac{\mu_0 I}{8r}$

Tap an option to check your answer.

1. A.
   $\dfrac{\mu_0i}{4r}$
2. B.
   $\dfrac{\mu_0i}{8r}$
3. C.
   $\dfrac{\mu_0i}{16r}$
4. D.
   $\dfrac{\mu_0i}{20r}$

Tap an option to check your answer.

1. A.
   $\dfrac{\mu_0I}{2R}$
2. B.
   $\dfrac{\mu_0I}{8R}$
3. C.
   $\dfrac{\mu_0I}{4R}$
4. D.
   $\dfrac{2\mu_0I}{5R}$

Tap an option to check your answer.