Physics-
General
Easy
Question
A circular current loop of radius a is placed in a radial field B as shown. The net force acting on the loop is
- zero
Bai 
- None
Bai
The correct answer is: Bai
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A semi circular current carrying wire having radius R is placed in x-y plane with its centre at origin 'O' There is non-uniform magnetic field 
(here 
is +ve constant) is existing in the region. The magnetic force acting on semi circular wire will be along
A semi circular current carrying wire having radius R is placed in x-y plane with its centre at origin 'O' There is non-uniform magnetic field (here is +ve constant) is existing in the region. The magnetic force acting on semi circular wire will be along
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physics-General
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Find the magnetic induction at the point O if wire carrying a current I=8.0 A has the shape shown in fig. The radius of the curved part of the wire is R=100 mm, the linear parts of the wire are very long
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A particle of mass m having a charge 
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physics-General
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A particle having charge enters a region of uniform magnetic field 
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OABC is a current carrying square loop an electron is projected from the centre of loop along its diagonal AC as shown. Unit vector in the direction of initial acceleration will be
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Figure shows two parallel wires separated by a distance of 4.0 cm and carrying equal currents of 10 A along opposite directions.
Find the magnitude of the magnetic field B at 
is
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Find the magnitude of the magnetic field B at is
physics-General
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Fig shows three resistor configuration 
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physics-General
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What is the equivalent resistance between points 
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Eight identical resistances 
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Eight identical resistances reach are connected along edges of a pyramid having square base ABCD as shown. Calculate equivalent resistance between A and O.
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physics-General
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Fourteen identical resistors each of resistance are connected as shown. Calculate equivalent resistance between A and B.
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physics-General
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A hemispherical network of radius a is made by using a conducting wire of resistance per unit length r. Find the equivalent resistance across OP.
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physics-General
