Biot-Savart Law
PHXII04:MOVING CHARGES AND MAGNETISM

362651 A wire carrying current i and other parallel wire carrying 2i in the same direction produce a magnetic field B at the mid point. What will be the field when 2i current is switched off?

1 B/2
2 2B
3 B
4 4B
PHXII04:MOVING CHARGES AND MAGNETISM

362652 The current in straight wire if the magnetic field 106Wbm2 produced at 0.02m away from it is

1 0.1A
2 1A
3 zero
4 10A
PHXII04:MOVING CHARGES AND MAGNETISM

362653 A horizontal overhead powerline is at height of 4m from the ground and carries a current of 100A from east to west. The magnetic field directly below it on the ground is (μ0=4π×107TmA1)

1 2.5×107T southward
2 5×106T northward
3 5×106T southward
4 2.5×107T northward
PHXII04:MOVING CHARGES AND MAGNETISM

362654 A long straight wire along the z-axis carries a current i in the negative z-direction. The magnetic vector field B at a point having coordinates (x,y) in the z=0 plane is

1 μ0i2π(yi^xj^)(x2+y2)
2 μ0i2π(xi^yj^)(x2+y2)
3 μ0i2π(xi^yj^)(x2+y2)
4 μ0i2π(xj^yi^)(x2+y2)
PHXII04:MOVING CHARGES AND MAGNETISM

362655 The position of point P from wire B where net magnetic field is zero, due to following current distribution, will be
supporting img

1 5cm at a point lying outside the wires
2 3cm at a point lying between the wires
3 1cm at a point lying between the wires
4 2cm at a point lying outside the wires
PHXII04:MOVING CHARGES AND MAGNETISM

362651 A wire carrying current i and other parallel wire carrying 2i in the same direction produce a magnetic field B at the mid point. What will be the field when 2i current is switched off?

1 B/2
2 2B
3 B
4 4B
PHXII04:MOVING CHARGES AND MAGNETISM

362652 The current in straight wire if the magnetic field 106Wbm2 produced at 0.02m away from it is

1 0.1A
2 1A
3 zero
4 10A
PHXII04:MOVING CHARGES AND MAGNETISM

362653 A horizontal overhead powerline is at height of 4m from the ground and carries a current of 100A from east to west. The magnetic field directly below it on the ground is (μ0=4π×107TmA1)

1 2.5×107T southward
2 5×106T northward
3 5×106T southward
4 2.5×107T northward
PHXII04:MOVING CHARGES AND MAGNETISM

362654 A long straight wire along the z-axis carries a current i in the negative z-direction. The magnetic vector field B at a point having coordinates (x,y) in the z=0 plane is

1 μ0i2π(yi^xj^)(x2+y2)
2 μ0i2π(xi^yj^)(x2+y2)
3 μ0i2π(xi^yj^)(x2+y2)
4 μ0i2π(xj^yi^)(x2+y2)
PHXII04:MOVING CHARGES AND MAGNETISM

362655 The position of point P from wire B where net magnetic field is zero, due to following current distribution, will be
supporting img

1 5cm at a point lying outside the wires
2 3cm at a point lying between the wires
3 1cm at a point lying between the wires
4 2cm at a point lying outside the wires
PHXII04:MOVING CHARGES AND MAGNETISM

362651 A wire carrying current i and other parallel wire carrying 2i in the same direction produce a magnetic field B at the mid point. What will be the field when 2i current is switched off?

1 B/2
2 2B
3 B
4 4B
PHXII04:MOVING CHARGES AND MAGNETISM

362652 The current in straight wire if the magnetic field 106Wbm2 produced at 0.02m away from it is

1 0.1A
2 1A
3 zero
4 10A
PHXII04:MOVING CHARGES AND MAGNETISM

362653 A horizontal overhead powerline is at height of 4m from the ground and carries a current of 100A from east to west. The magnetic field directly below it on the ground is (μ0=4π×107TmA1)

1 2.5×107T southward
2 5×106T northward
3 5×106T southward
4 2.5×107T northward
PHXII04:MOVING CHARGES AND MAGNETISM

362654 A long straight wire along the z-axis carries a current i in the negative z-direction. The magnetic vector field B at a point having coordinates (x,y) in the z=0 plane is

1 μ0i2π(yi^xj^)(x2+y2)
2 μ0i2π(xi^yj^)(x2+y2)
3 μ0i2π(xi^yj^)(x2+y2)
4 μ0i2π(xj^yi^)(x2+y2)
PHXII04:MOVING CHARGES AND MAGNETISM

362655 The position of point P from wire B where net magnetic field is zero, due to following current distribution, will be
supporting img

1 5cm at a point lying outside the wires
2 3cm at a point lying between the wires
3 1cm at a point lying between the wires
4 2cm at a point lying outside the wires
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII04:MOVING CHARGES AND MAGNETISM

362651 A wire carrying current i and other parallel wire carrying 2i in the same direction produce a magnetic field B at the mid point. What will be the field when 2i current is switched off?

1 B/2
2 2B
3 B
4 4B
PHXII04:MOVING CHARGES AND MAGNETISM

362652 The current in straight wire if the magnetic field 106Wbm2 produced at 0.02m away from it is

1 0.1A
2 1A
3 zero
4 10A
PHXII04:MOVING CHARGES AND MAGNETISM

362653 A horizontal overhead powerline is at height of 4m from the ground and carries a current of 100A from east to west. The magnetic field directly below it on the ground is (μ0=4π×107TmA1)

1 2.5×107T southward
2 5×106T northward
3 5×106T southward
4 2.5×107T northward
PHXII04:MOVING CHARGES AND MAGNETISM

362654 A long straight wire along the z-axis carries a current i in the negative z-direction. The magnetic vector field B at a point having coordinates (x,y) in the z=0 plane is

1 μ0i2π(yi^xj^)(x2+y2)
2 μ0i2π(xi^yj^)(x2+y2)
3 μ0i2π(xi^yj^)(x2+y2)
4 μ0i2π(xj^yi^)(x2+y2)
PHXII04:MOVING CHARGES AND MAGNETISM

362655 The position of point P from wire B where net magnetic field is zero, due to following current distribution, will be
supporting img

1 5cm at a point lying outside the wires
2 3cm at a point lying between the wires
3 1cm at a point lying between the wires
4 2cm at a point lying outside the wires
PHXII04:MOVING CHARGES AND MAGNETISM

362651 A wire carrying current i and other parallel wire carrying 2i in the same direction produce a magnetic field B at the mid point. What will be the field when 2i current is switched off?

1 B/2
2 2B
3 B
4 4B
PHXII04:MOVING CHARGES AND MAGNETISM

362652 The current in straight wire if the magnetic field 106Wbm2 produced at 0.02m away from it is

1 0.1A
2 1A
3 zero
4 10A
PHXII04:MOVING CHARGES AND MAGNETISM

362653 A horizontal overhead powerline is at height of 4m from the ground and carries a current of 100A from east to west. The magnetic field directly below it on the ground is (μ0=4π×107TmA1)

1 2.5×107T southward
2 5×106T northward
3 5×106T southward
4 2.5×107T northward
PHXII04:MOVING CHARGES AND MAGNETISM

362654 A long straight wire along the z-axis carries a current i in the negative z-direction. The magnetic vector field B at a point having coordinates (x,y) in the z=0 plane is

1 μ0i2π(yi^xj^)(x2+y2)
2 μ0i2π(xi^yj^)(x2+y2)
3 μ0i2π(xi^yj^)(x2+y2)
4 μ0i2π(xj^yi^)(x2+y2)
PHXII04:MOVING CHARGES AND MAGNETISM

362655 The position of point P from wire B where net magnetic field is zero, due to following current distribution, will be
supporting img

1 5cm at a point lying outside the wires
2 3cm at a point lying between the wires
3 1cm at a point lying between the wires
4 2cm at a point lying outside the wires