An equilateral triangle is made by uniform wires AB, BC, CA. A current I entres at A and leaves from the mid point BC
curie temperature is the temperature above which
A long straight wire of radius a carries a steady current I. The current is uniformly distributed over its cross-section
A current flows in a conductor from East to West. The direction of the magnetic field at a point above the conductor is
A current of 10 A is passing through a long wire which has semicircular loop of the radius 20 cm as shown in the figure. Magnetic ..
A current I flows along the length of an infinitely long, straight, thin walled pipe. Then
An electrically charged particle enters into a uniform magnetic induction field in a direction perpendicular to the field with a v..
A length of wire carries a steady current. It is bent first to form a circular coil of one turn. The same length is now bent more ..
A straight conductor carrying current I. If the magnetic field at a distance r is 0.4 T, then magnetic field at a distance 2r will..
A wire oriented in the East-West direction carries a current eastward. Direction of the magnetic field at a point to the south of ..
An a - particle and a proton moving with the same kinetic energy enter a region of uniform magnetic field at right angles to the f..
A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current of 5 A is passed through this solenoid, what is the ..
A circular coil carrying a certain current produces a magnetic field B0 at its centre. The coil is now rewound so as to have 3 tur..
A beam of protons is moving horizontally towards you. As it approaches you, it passes through a magnetic field which is directed u..
An electron and a proton are moving on straight parallel paths with same velocity. They enter a semi-infinite region of uniform ma..
A particle of charge e and mass m moves with a velocity v in a magnetic field B applied perpendicular to the motion of the particl..
A Circular current carrying coil has a radius R. the distance from the centre of the coil on the axix, where the magnetic inductio..
The magnetic field at the centre of a circular current carrying conductor of radius r is Bc . The magnetic field on its axis at a ..
A long straight wire of radius a carries a steady current i. the current is uniformly distributed across its
If a long hollow copper pipe carries a direct current, the magnetic field associated with the current will be
A wire of length L is bent into a circular loop of radius R and carries a current I
In the figure shown the magnetic induction at the centre of the arc
The magnetic induction at a point P Which is at a distance 4cm from a long current carrying wire is
The number of lines of force passing through a unit area
A rectangular loop of sides 10cm and 5cm carrying a current
A long solenoid with 10 turn/cm and a radius of 7.0 cm carries a current of 20.0 mA. A current of 6.0 A exists in a straight condu..
A cyclotron is operated at an oscillator frequency of 24 MHz and has a dee radius of 60 cm. Find the magnitude of the magnetic fie..
Two coaxial solenoids of different radii carry I in the same direction
A long solenoid of length L has a mean diameter D. It has n layers of winding of N turns each. If it carries a current I, the magn..
In the above question, The magnetic induction at O due to
The magnetic field dB due to a small current element dl at a distance r and element carrying current i is,
A current loop in a magnetic field
Current T is flowing in a conductor shaped as shown in the figure
The magnetic field B with in the Solenoid having n turns per metre
Consider two straight parallel conductors A and B separated by a distance x and carrying individual Currents
The magnetic field due to a current carrying circular loop of radius 3cm at a point
A horizontal overhead power line is at a height of 4m from the ground and carries a current of 100 A from east to west
Magnetic field at a distance r from an infinitely long straight conductor carrying a stready current varies as
In using Amperes law to find the magnetic field of a straight, long solenoid, the loop (Amperian) that is taken is
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