Question

Choose the correct answer from the alternatives given in the brackets.
An electric current through a metallic conductor produces ................ around it.

• A. heat
• B. light
• C. magnetic field
• D. mechanical force

Answer 1

Answer: (C)

magnetic field

An electric current through a metallic conductor produces magnetic field around it. Any current carrying conductor has a magnetic field around it. The direction of this magnetic field is determined by Right hand thumb rule.It states that:

Imagine that you are holding a current-carrying straight conductor in your right hand such that the thumb points towards the direction of current. Then your fingers will wrap around the conductor in the direction of the field lines of the magnetic field.