NCERT Question 15 - Chapter 13 Class 10 - Magnetic Effects of Electric Current

Last updated at August 17, 2026 by

State the rule to determine the direction of a

(i) magnetic field produced around a straight conductor-carrying current,

(ii) force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it, and

(iii) current induced in a coil due to its rotation in a magnetic field.

 

Answer

 

(i) magnetic field produced around a straight conductor-carrying current

maxwell-right-hand-thumb-rule---teachoo.png

It is determined with the help of Maxwell’s right hand thumb rule. 

 

(ii) force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it

flemings-left-hand-rule---teachoo.png

It is determined with the help of Fleming’s left-hand rule.

 

(iii) current induced in a coil due to its rotation in a magnetic field

flemings-right-hand-rule---teachoo.png

 

It is determined with the help of Fleming’s right-hand rule.

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