A coil having N turns carry a current as shown in the figure. The magnetic field intensity at point P

$\frac{μ_{0} {NiR}^{2}}{2 {(R^{2} + x^{2})}^{\frac{3}{2}}}$

$\frac{μ_{0} Ni}{2 R}$

$\frac{μ_{0} {NiR}^{2}}{{(R + x)}^{2}}$

Zero

Solution

$\frac{μ_{0} {NiR}^{2}}{2 {(R^{2} + x^{2})}^{\frac{3}{2}}}$

From the formula, magnetic field intensity at point P, shown in given figure while carrying current 'i' and having 'N' turns is given by Magneti field at P due to entire circular loop is

$\Rightarrow \frac{μ_{0} {iR}^{2}}{2 {(x^{2} + R^{2})}^{\frac{3}{2}}}$

And hence for N turns is,

$\Rightarrow \frac{μ_{0} N i R^{2}}{2 {(R^{2} + x^{2})}^{\frac{3}{2}}}$

Some More Questions From Moving Charges And Magnetism Chapter

Two moving coil meters, M₁ and M₂ have the following particulars:
R₁ = 10 Ω N₁ = 30,
A₁ = 3.6 x 10^–3 m², B₁ = 0.25 T
R₂ = 14 Ω; N₂ = 42,
A₂ = 1.8 x 10^–3 m², B₂ = 0.50 T
(The spring constants k are identical for the two meters).
Determine the ratio of (a) current sensitivity and (b) voltage sensitivity of M₂ and M_1.

For Daily Free Study Material Join wiredfaculty

Moving Charges And Magnetism

A coil having N turns carry a current as shown in the figure. The magnetic field intensity at point P

$\frac{μ_{0} {NiR}^{2}}{2 {(R^{2} + x^{2})}^{\frac{3}{2}}}$

$\frac{μ_{0} Ni}{2 R}$

$\frac{μ_{0} {NiR}^{2}}{{(R + x)}^{2}}$

Zero

Some More Questions From Moving Charges And Magnetism Chapter

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Phone Number

Email Address

Loaction

For Daily Free Study Material Join wiredfaculty

Moving Charges And Magnetism

A coil having N turns carry a current as shown in the figure. The magnetic field intensity at point P μ0NiR22R2+x232 μ0Ni2R μ0 NiR2R+x2 Zero

Some More Questions From Moving Charges And Magnetism Chapter

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

A coil having N turns carry a current as shown in the figure. The magnetic field intensity at point P

$\frac{μ_{0} {NiR}^{2}}{2 {(R^{2} + x^{2})}^{\frac{3}{2}}}$

$\frac{μ_{0} Ni}{2 R}$

$\frac{μ_{0} {NiR}^{2}}{{(R + x)}^{2}}$

Zero