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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
- If electron and proton having same momenta enter normally to a magneti...
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- A particle of charge -16xx10^(-18) coulomb moving with velocity 10 ms^...
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- The time period of a charged pawrticle undergoing a circular motion in...
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- Two long conductors, separated by a distance d carry current I(1) and ...
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- A current is passed through a spring, then the spring will:
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- An ammeter reads upto 1 ampere. Its internal resistance is 0.81 ohm. T...
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- If an ammeter is to be used in placed of a voltmeter, then we must con...
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- A moving coil galvanometer has 150 equal divisions. Its current sensit...
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- The magnetic lines of force inside a bar magnet
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- A magnet needle is kept in a non-uniform magnetic field. It experience...
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- A magnetic needle lying parallel to a magnetic field requires W units ...
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- A thin rectangular magnet suspended freely has a period of oscillation...
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- The length of a magnet is large compared to its width and breadth. The...
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- The dimensions of magnetic field intensity in M,L,T and c(coulomb) is ...
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- Needle N1 , N2 and N3 are made of ferromagnetic , a paramagnetic and a...
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- Curie temperature is the temperature above which
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- The materials suitable for making electromagnets should have
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- In S.I. system, magnetic permeability has units
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- Mangetic field intensity at the centre of a coil of 50 turns, radius 0...
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- A circular coil 'A' has a radius R and the current flowing through it ...
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