An electric current is passed through a straight wire. Magnetic compasses are placed at the point A and B. True statement is |
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(a) |
their needles will not deflect |
(b) |
only one of the needles will deflect |
(c) |
both the needles will deflect in the same direction |
(d) |
the needles will deflect in the opposite direction |
An electric current is passed through a straight wire. Magnetic compasses are placed at the point A and B. True statement is |
|||
(a) |
their needles will not deflect |
(b) |
only one of the needles will deflect |
(c) |
both the needles will deflect in the same direction |
(d) |
the needles will deflect in the opposite direction |
the needles will deflect in the opposite direction