Biot-Savart Law
PHXII04:MOVING CHARGES AND MAGNETISM

362617 The magnetic field at the point of intersection of diagonals of a square loop of side \(L\) carrying a current \(I\) is found to be \(N \dfrac{\mu_{0} I}{\pi L}\). find the value of \(N\).

1 1.68
2 2.82
3 5.61
4 7.78
PHXII04:MOVING CHARGES AND MAGNETISM

362618 Figure shows a straight wire of length \(l\) carrying current \(i\). The magnitude of magnetic field produced by the current at point \(P\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0} i}{\pi l}\)
2 \(\dfrac{\mu_{0} i}{4 \pi l}\)
3 \(\dfrac{\sqrt{2} \mu_{0} i}{8 \pi l}\)
4 \(\dfrac{\mu_{0} i}{2 \sqrt{2} \pi l}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362619 A particle is moving with velocity \(\vec v = \widehat i + 3\widehat j\) and it produces an electric field at a point given by \(\vec E = 2\widehat k\). It will produce magnetic field at that point equal to (all quantities are in SI units)

1 \(\dfrac{6 \hat{i}-2 \hat{j}}{c^{2}}\)
2 \(\dfrac{6 \hat{i}+2 \hat{j}}{c^{2}}\)
3 zero
4 cannot be determined from the given data
PHXII04:MOVING CHARGES AND MAGNETISM

362620 An elevator carrying a charge of 0.5 \(C\) is moving down with a velocity of \({5 \times 10^{3} {~m} {~s}^{-1}}\). The elevator is 4 \(m\) from the bottom and 3 \(m\) horizontally from \({P}\) as shown in figure. What magnetic field (in \({\mu {T})}\) does it produce at point \({P}\)?
supporting img

1 \(3\,\mu T\)
2 \(6\,\mu T\)
3 \(9\,\mu T\)
4 \(2\,\mu T\)
PHXII04:MOVING CHARGES AND MAGNETISM

362617 The magnetic field at the point of intersection of diagonals of a square loop of side \(L\) carrying a current \(I\) is found to be \(N \dfrac{\mu_{0} I}{\pi L}\). find the value of \(N\).

1 1.68
2 2.82
3 5.61
4 7.78
PHXII04:MOVING CHARGES AND MAGNETISM

362618 Figure shows a straight wire of length \(l\) carrying current \(i\). The magnitude of magnetic field produced by the current at point \(P\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0} i}{\pi l}\)
2 \(\dfrac{\mu_{0} i}{4 \pi l}\)
3 \(\dfrac{\sqrt{2} \mu_{0} i}{8 \pi l}\)
4 \(\dfrac{\mu_{0} i}{2 \sqrt{2} \pi l}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362619 A particle is moving with velocity \(\vec v = \widehat i + 3\widehat j\) and it produces an electric field at a point given by \(\vec E = 2\widehat k\). It will produce magnetic field at that point equal to (all quantities are in SI units)

1 \(\dfrac{6 \hat{i}-2 \hat{j}}{c^{2}}\)
2 \(\dfrac{6 \hat{i}+2 \hat{j}}{c^{2}}\)
3 zero
4 cannot be determined from the given data
PHXII04:MOVING CHARGES AND MAGNETISM

362620 An elevator carrying a charge of 0.5 \(C\) is moving down with a velocity of \({5 \times 10^{3} {~m} {~s}^{-1}}\). The elevator is 4 \(m\) from the bottom and 3 \(m\) horizontally from \({P}\) as shown in figure. What magnetic field (in \({\mu {T})}\) does it produce at point \({P}\)?
supporting img

1 \(3\,\mu T\)
2 \(6\,\mu T\)
3 \(9\,\mu T\)
4 \(2\,\mu T\)
PHXII04:MOVING CHARGES AND MAGNETISM

362617 The magnetic field at the point of intersection of diagonals of a square loop of side \(L\) carrying a current \(I\) is found to be \(N \dfrac{\mu_{0} I}{\pi L}\). find the value of \(N\).

1 1.68
2 2.82
3 5.61
4 7.78
PHXII04:MOVING CHARGES AND MAGNETISM

362618 Figure shows a straight wire of length \(l\) carrying current \(i\). The magnitude of magnetic field produced by the current at point \(P\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0} i}{\pi l}\)
2 \(\dfrac{\mu_{0} i}{4 \pi l}\)
3 \(\dfrac{\sqrt{2} \mu_{0} i}{8 \pi l}\)
4 \(\dfrac{\mu_{0} i}{2 \sqrt{2} \pi l}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362619 A particle is moving with velocity \(\vec v = \widehat i + 3\widehat j\) and it produces an electric field at a point given by \(\vec E = 2\widehat k\). It will produce magnetic field at that point equal to (all quantities are in SI units)

1 \(\dfrac{6 \hat{i}-2 \hat{j}}{c^{2}}\)
2 \(\dfrac{6 \hat{i}+2 \hat{j}}{c^{2}}\)
3 zero
4 cannot be determined from the given data
PHXII04:MOVING CHARGES AND MAGNETISM

362620 An elevator carrying a charge of 0.5 \(C\) is moving down with a velocity of \({5 \times 10^{3} {~m} {~s}^{-1}}\). The elevator is 4 \(m\) from the bottom and 3 \(m\) horizontally from \({P}\) as shown in figure. What magnetic field (in \({\mu {T})}\) does it produce at point \({P}\)?
supporting img

1 \(3\,\mu T\)
2 \(6\,\mu T\)
3 \(9\,\mu T\)
4 \(2\,\mu T\)
PHXII04:MOVING CHARGES AND MAGNETISM

362617 The magnetic field at the point of intersection of diagonals of a square loop of side \(L\) carrying a current \(I\) is found to be \(N \dfrac{\mu_{0} I}{\pi L}\). find the value of \(N\).

1 1.68
2 2.82
3 5.61
4 7.78
PHXII04:MOVING CHARGES AND MAGNETISM

362618 Figure shows a straight wire of length \(l\) carrying current \(i\). The magnitude of magnetic field produced by the current at point \(P\) is
supporting img

1 \(\dfrac{\sqrt{2} \mu_{0} i}{\pi l}\)
2 \(\dfrac{\mu_{0} i}{4 \pi l}\)
3 \(\dfrac{\sqrt{2} \mu_{0} i}{8 \pi l}\)
4 \(\dfrac{\mu_{0} i}{2 \sqrt{2} \pi l}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362619 A particle is moving with velocity \(\vec v = \widehat i + 3\widehat j\) and it produces an electric field at a point given by \(\vec E = 2\widehat k\). It will produce magnetic field at that point equal to (all quantities are in SI units)

1 \(\dfrac{6 \hat{i}-2 \hat{j}}{c^{2}}\)
2 \(\dfrac{6 \hat{i}+2 \hat{j}}{c^{2}}\)
3 zero
4 cannot be determined from the given data
PHXII04:MOVING CHARGES AND MAGNETISM

362620 An elevator carrying a charge of 0.5 \(C\) is moving down with a velocity of \({5 \times 10^{3} {~m} {~s}^{-1}}\). The elevator is 4 \(m\) from the bottom and 3 \(m\) horizontally from \({P}\) as shown in figure. What magnetic field (in \({\mu {T})}\) does it produce at point \({P}\)?
supporting img

1 \(3\,\mu T\)
2 \(6\,\mu T\)
3 \(9\,\mu T\)
4 \(2\,\mu T\)
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