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RESONANCE-MAGNETIC FIELD AND FORCES-Exercise
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- Two bar magnets having same geometry with magnetic moments M and 2M, a...
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- A straight section PQ of a circuit lise along the X-axis from x=-a/2 t...
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- The magnetic flux density at a point distant d from a long straight cu...
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- A current carrying wire is bent in the L shapes as shown in figure. Th...
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- The magnetic induction at centre O in the following figure will be
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- The ratio of magnetic inductions at the centre of a circular coil of r...
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- A current loop consists of two identical semicircular parts each of ra...
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- The use of Helmholtz coils is to produce-
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- A current i is flowing in a straight conductor of length L. The magnet...
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- The magnetic field inside a solenoid is-
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- When the number of turns in a toroidal coil is doubled, then the value...
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- A long solenoid carrying a current produces a magnetic field B alon...
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- The correct curve between the magnetic induction (B) along the axis of...
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- If a long hollow copper pipe carries a current, then magnetic field is...
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- Magnetic dipole moment of rectangular loop is
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- If the angular momentum of an electron is vec(J) then the magnitude of...
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- When a charged partical moves at right angles to a mangetic field then...
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