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Which of the following types of inter molecular interactions or forces is/are called van der Waals forces? 1. London forces 2. Dipole - dipole forces 3. Dipole - induced dipole forces 4. Hydrogen bonding Choose the correct code:
Which of the following is/are true about dipole? (1) The unit of electric dipole moment is coulomb meter (2) The net charge of the electric dipole is zero (3) The net electric field due to an electric dipole is nonzero. (4) Point diploe is the diploe with a small value of the charge.
A magnetic dipole of dipole moment $$\overrightarrow {\bf{m}} $$ is placed in a non-uniform magnetic field $$\overrightarrow {\bf{B}} .$$ If the position vector of the dipole is $$\overrightarrow {\bf{r}} ,$$ the torque acting on the dipole about the origin is
An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is 10-29 C-m. What is the potential energy of the electric dipole?
If the radiation resistance of a Hertzian dipole is 100Ω, then the radiation resistance of short dipole is ____Ω.
If an electric dipole is placed in a uniform electric field ______ will act on the dipole.
If an electric dipole is placed in a non-uniform electric field ______ will act on the dipole.
A positive small signal halfwave rectifier can
Diode in small signal positive halfwave rectifier circuit acts as
Given below are the statements about the difference between passive resistance and satyagraha. Which ones are true?  (A) Passive resistance is weapon of the weaker sections, satyagraha never desires to terrorise the opponent (B) Passive Resistance is negative in practice, whereas satyagraha is positive morality (C) Passive Resistance is equivalent to satyagraha (D) Passive Resistance is not afraid of the physical strength while satyagraha is afraid of physical strength Choose the correct answer from the options given below: