Biot-Savart Law
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PHXII04:MOVING CHARGES AND MAGNETISM

362609 A square conducting loop of side length \(L\) carries a current \(I\). The magnetic field at the centre of the loop is

1 Linearly proportional to \(L\)
2 Independent to \(L\)
3 Inversely proportional to \(L\)
4 Proportional to \(L^{2}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362610 The magnetic field at the centre of square of side \(a\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0}}{\pi a}\)
2 \(\dfrac{\sqrt{2} \mu_{0} I}{3 \pi a}\)
3 \(\dfrac{2}{3} \dfrac{\mu_{0} I}{a}\)
4 zero
PHXII04:MOVING CHARGES AND MAGNETISM

362611 Calculate the magnetic field at the centre of a coil in the form of a square of side 2 a carrying a current \(I\).

1 \(\frac{{2{\mu _0}I}}{{\pi a}}\)
2 \(\frac{{\sqrt 2 {\mu _0}I}}{{\pi a}}\)
3 \(\frac{{5{\mu _0}I}}{{\pi a}}\)
4 \(\frac{{\sqrt 3 {\mu _0}I}}{{\pi a}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362612 An equilateral triangle is made by uniform wires \(AB\), \(BC\), \(CA\). A current \(I\) enters at \(A\) and leaves from the mid point of \(BC\). If the lengths of each side of the triangle is \(L\). The magnetic field \(B\) at the centroid \(O\) of the triangle is
supporting img

1 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{4 I}{L}\right)\)
2 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{2 I}{L}\right)\)
3 \(\dfrac{\mu_{0}}{2 \pi}\left(\dfrac{4 I}{L}\right)\)
4 Zero
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PHXII04:MOVING CHARGES AND MAGNETISM

362609 A square conducting loop of side length \(L\) carries a current \(I\). The magnetic field at the centre of the loop is

1 Linearly proportional to \(L\)
2 Independent to \(L\)
3 Inversely proportional to \(L\)
4 Proportional to \(L^{2}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362610 The magnetic field at the centre of square of side \(a\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0}}{\pi a}\)
2 \(\dfrac{\sqrt{2} \mu_{0} I}{3 \pi a}\)
3 \(\dfrac{2}{3} \dfrac{\mu_{0} I}{a}\)
4 zero
PHXII04:MOVING CHARGES AND MAGNETISM

362611 Calculate the magnetic field at the centre of a coil in the form of a square of side 2 a carrying a current \(I\).

1 \(\frac{{2{\mu _0}I}}{{\pi a}}\)
2 \(\frac{{\sqrt 2 {\mu _0}I}}{{\pi a}}\)
3 \(\frac{{5{\mu _0}I}}{{\pi a}}\)
4 \(\frac{{\sqrt 3 {\mu _0}I}}{{\pi a}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362612 An equilateral triangle is made by uniform wires \(AB\), \(BC\), \(CA\). A current \(I\) enters at \(A\) and leaves from the mid point of \(BC\). If the lengths of each side of the triangle is \(L\). The magnetic field \(B\) at the centroid \(O\) of the triangle is
supporting img

1 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{4 I}{L}\right)\)
2 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{2 I}{L}\right)\)
3 \(\dfrac{\mu_{0}}{2 \pi}\left(\dfrac{4 I}{L}\right)\)
4 Zero
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PHXII04:MOVING CHARGES AND MAGNETISM

362609 A square conducting loop of side length \(L\) carries a current \(I\). The magnetic field at the centre of the loop is

1 Linearly proportional to \(L\)
2 Independent to \(L\)
3 Inversely proportional to \(L\)
4 Proportional to \(L^{2}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362610 The magnetic field at the centre of square of side \(a\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0}}{\pi a}\)
2 \(\dfrac{\sqrt{2} \mu_{0} I}{3 \pi a}\)
3 \(\dfrac{2}{3} \dfrac{\mu_{0} I}{a}\)
4 zero
PHXII04:MOVING CHARGES AND MAGNETISM

362611 Calculate the magnetic field at the centre of a coil in the form of a square of side 2 a carrying a current \(I\).

1 \(\frac{{2{\mu _0}I}}{{\pi a}}\)
2 \(\frac{{\sqrt 2 {\mu _0}I}}{{\pi a}}\)
3 \(\frac{{5{\mu _0}I}}{{\pi a}}\)
4 \(\frac{{\sqrt 3 {\mu _0}I}}{{\pi a}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362612 An equilateral triangle is made by uniform wires \(AB\), \(BC\), \(CA\). A current \(I\) enters at \(A\) and leaves from the mid point of \(BC\). If the lengths of each side of the triangle is \(L\). The magnetic field \(B\) at the centroid \(O\) of the triangle is
supporting img

1 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{4 I}{L}\right)\)
2 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{2 I}{L}\right)\)
3 \(\dfrac{\mu_{0}}{2 \pi}\left(\dfrac{4 I}{L}\right)\)
4 Zero
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII04:MOVING CHARGES AND MAGNETISM

362609 A square conducting loop of side length \(L\) carries a current \(I\). The magnetic field at the centre of the loop is

1 Linearly proportional to \(L\)
2 Independent to \(L\)
3 Inversely proportional to \(L\)
4 Proportional to \(L^{2}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362610 The magnetic field at the centre of square of side \(a\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0}}{\pi a}\)
2 \(\dfrac{\sqrt{2} \mu_{0} I}{3 \pi a}\)
3 \(\dfrac{2}{3} \dfrac{\mu_{0} I}{a}\)
4 zero
PHXII04:MOVING CHARGES AND MAGNETISM

362611 Calculate the magnetic field at the centre of a coil in the form of a square of side 2 a carrying a current \(I\).

1 \(\frac{{2{\mu _0}I}}{{\pi a}}\)
2 \(\frac{{\sqrt 2 {\mu _0}I}}{{\pi a}}\)
3 \(\frac{{5{\mu _0}I}}{{\pi a}}\)
4 \(\frac{{\sqrt 3 {\mu _0}I}}{{\pi a}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362612 An equilateral triangle is made by uniform wires \(AB\), \(BC\), \(CA\). A current \(I\) enters at \(A\) and leaves from the mid point of \(BC\). If the lengths of each side of the triangle is \(L\). The magnetic field \(B\) at the centroid \(O\) of the triangle is
supporting img

1 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{4 I}{L}\right)\)
2 \(\dfrac{\mu_{0}}{4 \pi}\left(\dfrac{2 I}{L}\right)\)
3 \(\dfrac{\mu_{0}}{2 \pi}\left(\dfrac{4 I}{L}\right)\)
4 Zero