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An electric dipole is held in a uniform electric field.
(1) Using suitable diagram, show that it does not undergo any translatory motion, and
(2) derive an expression for the torque acting on it and state its direction.
Eddy current loss is proportional to the (A) Frequency. (B) Square of the frequency. (C) Cube of the frequency. (D) Square-root of the frequency.
Figure denotes a rod whose ends are in thermal contact with a hot reservoir at temperature T1 and a cold reservoir at temperature T2. The ends of the rod are covered with insulati
.how can we prove that sn=u+a(1/2)
compare the contributions of faraday and oersted to electromagnetic theory
Resistivity of conductors is most affected by (A) Composition. (B) Temperature. (C) Pressure. (D) Current. Ans: Resistivity of conductors is most
To work out the gravitational potential energy of an object the equation is: GPE = m x g x h Where: m = the mass of the object (kg) g = gravitational field strength (on earth tha
An electron is in a box of width 3*10^-10m.what are de broglies wavelength and magnitude of momentum of the electron if it is in A)n=1 level B)n=2 level C)n=3 level Ans) Use the
Why should the material used for making permanent magnets have high coercivity? What will be the values of input A and B for the Boolean expression? Why is frequency modulati
how can we conclude whether at some time interference will take place or not with the help of the concept of temporal coherence?
A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes by a pulley attached to the shop's ceiling. Neglecting the mass of the rope and frict
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