Question

What do we see when a compass needle is brought near a wire in which current is flowing?​

Answer 1

Answer:

he height of the slide is 2m. Then, in ΔABC,

sin30

∘

=

AC

AB

​

AC=

sin30

∘

AB

​

AC=

2

1

​

2

​

AC=4m

Therefore, the length of the slide is 4m.

solution

Explanation:

Answer 2

Answer:

Magnetic Fields

Explanation:

If you hold a compass near a wire through which current is flowing, the needle on the compass will be deflected. Since compasses work by pointing along magnetic field lines, this means that there must be a magnetic field near the wire through which the current is flowing.

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