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You are here: Home / Class 10 / Magnetic Effects of Electric Current / Magnetic field lines due to current carrying conductor

Magnetic field lines due to current carrying conductor

Last Updated on August 20, 2020 By Mrs Shilpi Nagpal 1 Comment

Question 1 Draw the pattern of line of forces due to magnetic field associated with a current carrying straight conductor?

Question 2 How the magnetic field produce changes with an increase in current in the straight conductor?

Magnetic field lines due to current carrying conductor

When a conductor carries current,a magnetic field is set up around conductor.

Activity 1

Magnetic field lines due to current carrying conductor

(1) Take a long straight copper wire,two or three cells of 1.5 V each,and plug key.Connect all of them in series.

(2) Place the straight wire parallel to and over a compass needle.

(3) Plug the key in the circuit.

(4) Observe the direction of deflection of the north pole of the needle.If the current flows from north to south,the north pole of the compass needle would move towards east.

(5) Replace the cell connections in the circuits.This would result in the change of direction of current through copper wire ie from south to north.

(6) Now the needle moves in opposite direction i.e. towards the west.

Filed Under: Magnetic Effects of Electric Current, Class 10 Tagged With: magnetic field lines due to current carrying conductor

About Mrs Shilpi Nagpal

Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. She has started this educational website with the mindset of spreading Free Education to everyone.

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  1. Sudhanshu kaushik says

    December 29, 2020 at 5:30 pm

    Thank you mam for your support

    Reply

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