Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option)

a) E must be perpendicular to B

b) v must be perpendicular to E

c) v must be perpendicular to B

d) E must be equal to vB.

EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

Question

Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option)

a) E must be perpendicular to B

b) v must be perpendicular to E

c) v must be perpendicular to B

d) E must be equal to vB.

EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

Chetan Mandayam Nayakar · Answer

Lorentz force F =q( E +( vxB ))=0, E = - vxB, therefore, E is perpendicular to v and B . Thus, a) and b) are correct. E = - vxB, that is why option d) is wrong

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Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option) a) E must be perpendicular to B b) v must be perpendicular to E c) v must be perpendicular to B d) E must be equal to vB. EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option)

a) E must be perpendicular to B

b) v must be perpendicular to E

c) v must be perpendicular to B

d) E must be equal to vB.

EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

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Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option) a) E must be perpendicular to B b) v must be perpendicular to E c) v must be perpendicular to B d) E must be equal to vB. EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option) a) E must be perpendicular to B b) v must be perpendicular to E c) v must be perpendicular to B d) E must be equal to vB. EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

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Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option)

a) E must be perpendicular to B

b) v must be perpendicular to E

c) v must be perpendicular to B

d) E must be equal to vB.

EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT