(a) Lorentz force due to electric and magnetic fields on a moving charge is ( conservative / non- conservative / zero ). (b) Work done by a magnetic field on a moving charge is ( larger than / smaller than / equal to ) zero. (c) Magnetic field does not change the (speed /velocity / kinetic energy ) of a moving charge.
(a) Lorentz force due to electric and magnetic fields on a moving charge is ( conservative / non- conservative / zero ). (b) Work done by a magnetic field on a moving charge is ( larger than / smaller than / equal to ) zero. (c) Magnetic field does not change the (speed /velocity / kinetic energy ) of a moving charge.
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Transcribed Image Text:Complete the following statements with the correct option(s) given in parenthesis. There can be
more than one correct option.
(a) Lorentz force due to electric and magnetic fields on a moving charge is ( conservative / non-
conservative / zero ).
(b) Work done by a magnetic field on a moving charge is ( larger than / smaller than / equal to )
zero.
(c) Magnetic field does not change the (speed / velocity / kinetic energy ) of a moving charge.
(d) Van Allen belts ( capture cosmic rays / are due to Earth's magnetic field / are colorful ).
(e) Potential energy of a magnetic torque is zero if ( magnetic field is perpendicular to the
dipole / the current in the loop is zero / the area of the loop is square ).
(f) In a Hall experiment, we can measure material properties such as ( charge mass / charge
density / charge sign ).
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