Physics-
General
Easy
Question
In the given loop the magnetic field at the centre O is
out of the page
- into the page
out of the page
- into the page
out of the page
into the page
out of the page
into the page
The correct answer is: into the page
Related Questions to study
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A cube made of wire of equal length is connected to a battery as shown in the figure. The magnetic field at the centre of the cube is
A cube made of wire of equal length is connected to a battery as shown in the figure. The magnetic field at the centre of the cube is
physics-General
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The magnetic field at the centre of semicircle o in the figure is
The magnetic field at the centre of semicircle o in the figure is
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The wire shown in figure carries a current of 40A. If r=3.14cm the magnetic field at point p will be
The wire shown in figure carries a current of 40A. If r=3.14cm the magnetic field at point p will be
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The magnetic field at the centre of the coil in the figure shown below is (the wires crossing at P are insulated from each other)
The magnetic field at the centre of the coil in the figure shown below is (the wires crossing at P are insulated from each other)
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Wire-1 in fig is oriented along the Y-axis and carries a steady current I1 A rectangular circuit located to the right of the wire carries a current 
Find the force experienced by the top of the horizontal wire (wire-2) of the rectangular circuit.
Wire-1 in fig is oriented along the Y-axis and carries a steady current I1 A rectangular circuit located to the right of the wire carries a current Find the force experienced by the top of the horizontal wire (wire-2) of the rectangular circuit.
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A rectangular loop of wire of size 
cm carries a steady current of 2A. A straight long wire carrying 5A current is kept near the loop (as shown in fig) If the loop and the wire are coplanar, find the net force on the loop
A rectangular loop of wire of size cm carries a steady current of 2A. A straight long wire carrying 5A current is kept near the loop (as shown in fig) If the loop and the wire are coplanar, find the net force on the loop
physics-General
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Two long parallel conductors are placed at right angles to a metre scale at the 2cm and 6 cm marks, as shown in the figure
They carry currents of 1 A and 3 A respectively. They will produce zero magnetic field at the (ignore the earth’s magnetic field)
Two long parallel conductors are placed at right angles to a metre scale at the 2cm and 6 cm marks, as shown in the figure
They carry currents of 1 A and 3 A respectively. They will produce zero magnetic field at the (ignore the earth’s magnetic field)
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A beam of mixture of 
particles and protons are accelerated through same potential difference before entering into the magnetic field of strength B. If 
is
A beam of mixture of particles and protons are accelerated through same potential difference before entering into the magnetic field of strength B. If is
physics-General
General
Is this quadrilateral a rhombus?
Is this quadrilateral a rhombus?
GeneralGeneral
General
Graph this equation:
Graph this equation:
GeneralGeneral
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Two long straight wires are connected by a circular section which has a radius R .All the three segments lie in the same plane and carry a current I. The magnetic induction at the centre O of the circular segments is
Two long straight wires are connected by a circular section which has a radius R .All the three segments lie in the same plane and carry a current I. The magnetic induction at the centre O of the circular segments is
physics-General
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Two long straight conductors with currents 
and are along X and Y axes. The equation of locus of points of zero magnetic induction is
Two long straight conductors with currents and are along X and Y axes. The equation of locus of points of zero magnetic induction is
physics-General
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Figure shows a coil of radius 2 cm concentric with a coil of radius 7 cm Each coil has 1000 turns with a current of 5 A. In larger coil, then the current needed in the smaller coil to give the total magnetic field at the centre equal to 2 mT is
Figure shows a coil of radius 2 cm concentric with a coil of radius 7 cm Each coil has 1000 turns with a current of 5 A. In larger coil, then the current needed in the smaller coil to give the total magnetic field at the centre equal to 2 mT is
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In the given figure the magnetic induction at the point O is
In the given figure the magnetic induction at the point O is
physics-General
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A current IA is flowing in the sides of equilateral triangle of side 
m The magnetic induction at centroid of the triangle is
A current IA is flowing in the sides of equilateral triangle of side m The magnetic induction at centroid of the triangle is
physics-General
