Test Academy | An electron and a proton are moving under the influence of mutual forces. In calculating the change in the kinetic energy of the system during motion, one ignores the magnetic force of one on another. This is because the two magnetic forces are equal and opposite, so they produce no net effect., the magnetic forces do no work on each particle., the magnetic forces do equal and opposite (but non-zero) work on each particle., the magenetic forces are necessarily negligible.

Question

An electron and a proton are moving under the influence of mutual forces. In calculating the change in the kinetic energy of the system during motion, one ignores the magnetic force of one on another. This is because

Options :

the two magnetic forces are equal and opposite, so they produce no net effect.
the magnetic forces do no work on each particle.
the magnetic forces do equal and opposite (but non-zero) work on each particle.
the magenetic forces are necessarily negligible.

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