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1 Weber/second is equal to ______.
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For a medium of permeability µ, its magnetic susceptibility x is [µ 0 = permeability of vacuum]
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For a medium of permeability µ, its magnetic susceptibility x is [µ 0 = permeability of vacuum]
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A liquid rises to a height of 5 cm in a glass capillary tube of radius 0.02 cm. The height to which the liquid would rise in a glass capillary tube of radius 0.04 cm is ______.
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Derive an expression for the electric potential energy of an electric dipole in a uniform electric field.
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A toroid of a circular cross-section of radius 0.05 m has 2000 windings and a self-inductance of 0.04 H. What is (a) the current through the windings when the energy in its magnetic field is 2 × 10−6 J and (b) the central radius of the toroid?
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The relation between relative permeability (`mu_r`) and magnetic susceptibility (`chi_m`) is:______.
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The relation between relative permeability (`mu_r`) and magnetic susceptibility (`chi_m`) is:______.
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A motor cyclist rides in a vertical hollow sphere of radius 5 m. Find minimum angular speed required so that it does not loose contact with the sphere at the highest point. (g = 9.8m/s2)
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Derive the relation between electric intensity and electric potential.
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What is the rotational analogue of Newton's second law of motion?
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Which of the following graphs shows the variation of the fringe width with the frequency of light in a two source interference pattern?
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What is the excess of pressure inside a soap bubble of radius 3 cm if the surface tension of the soap solution is 30 dyne/cm?
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A steel blade floats on the surface of pure water. When detergent is added, it sinks, why? What is capillarity?
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Explain the term sphere of death.
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Draw a neat labelled diagram to determine unknown resistance using a meter bridge.
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Draw a neat labelled diagram of Kelvin's meter bridge circuit for the measurement of galvanometer resistance.
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Why the ring jumps several metres in air in jumping ring experiment?
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Find the radius of the wire of length 25m needed to prepare a coil of resistance 25Ω. (Resistivity of material of wire is 3.142 x 10-7Ωm)
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The speeds of a particle performing linear SHM are 8 units and 6 units at respective displacements of 6 cm and 8 cm. Find its period and amplitude.
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