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A sample of p-type semi-conductor is subjected to the combined effect of mutually perpendicular field EX and magnetic field BZ as shown in figure. This would result in the following events: 1. Lorentz force drives the majority carriers to the face ABCD. 2. Electric field EY results and grows. 3. The faces ABCD and EFGH are oppositely charged. 4. Lorentz forces on holes is balanced. The correct sequence of these events is
Certain facts about Force are given below. Identify the true information. A. Force is a scalar quantity. B. Gravitational force is the weakest force. C. Electromagnetic force is the strongest force. D. When sum of all forces acting on a body is zero, the body is said to be in a state of equilibrium.
Consider the following statements 1. The electrostatic force is an example of a contact force. 2. The frictional force is an example of a contact force. 3. The nuclear force is an example of a contact force. Which of the following statements is/are correct?
The elastic potential energy of a body is
1. Work done by the external force against the deforming force.
2. Work done against the external force by the deforming force.
3. The sum of work done by the external force and the deforming force.
Which one option is true?
নিচের কোনটি লরেঞ্জ বল (Lorentz Force)?
Which of the following represents the correct expression of Lorentz force?
Which of the following is the expression for Lorentz force?
Find the Lorentz force of a charge 2.5C having an electric field of 5 units and magnetic field of 7.25 units with a velocity 1.5m/s.
Find the Lorentz force due to a conductor of length 2m carrying a current of 1.5A and magnetic flux density of 12 units.
At equilibrium Lorentz forces will be ____________ of Hall Effect force.