allexusc95 allexusc95

01-09-2017
Biology

contestada

The circumstance MOST LIKELY to cause a compass to give an erroneous reading is standing too close to what?

A)
the ocean.

B)
a mountain.

C)
an electric power line.

D)
a heavily populated area.

Respuesta :

savionsledge savionsledge

07-03-2019

The answer is definitely c

Answer Link

eurydike eurydike

11-04-2019

Answer:

The correct answer is option C, an electric power line

Explanation:

Whenever a current flows through a wire , magnetic field is produced along with it in a perpendicular direction of the motion of flowing current. Now a compass is a device in which its needle shows motion towards the magnetic field. Thus, When an electric wire is placed near to it, its needle start showing deflection toward the magnetic field of electric wire.

Answer Link

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