Question

When an electric current flows through a copper wire AB as shown in Figure, the wire ​

Answer 1

Answer : Option (a) – It is correct as a current carrying wire produces a magnetic field. Hence, Option (a) is correct. Option (b) – Since it has almost zero resistance as it is a conductor, so no heat is produced, so it cannot become red hot (H=i2Rt; H= heat/work done; i is current; R is resistance & t is the time).

Answer 2

Answer:

Deflects a magnetic needle placed near it.

Explanation:

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