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An electric charge will experience a force in uniform electric field. Similarly a moving charge experience a magnetic force (Lorentz) in magnetic field. The SI unit of magnetic field intensity is defined in terms of Lorentz Force.1. Write the expression for magnetic Lorentz force. 2. Mention any two difference between electric field arid magnetic field.3. Give an account of work done by Magnetic Lorentz force on moving charge and corresponding change in K.E. |
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Answer» 1. \(\overrightarrow F=q(\overrightarrow V \times \overrightarrow B)\) 2. Electric field is due to a charge, either in motion or at rest. Magnetic field is due to the motion of charge. Direction of electric force is coli near to electric field. Direction of magnetic force is perpendicular to magnetic field. 3. If velocity (displacement) is perpendicular to Lorentz force the work done will be zero and hence there will no change in K.E. |
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