State the rule to determine the direction of a (i) magnetic field produced around a straight cocnductor - 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 .

Explanation

(i) Right- hand thumb rule : See answer to Q.11 .of Questions and Answer section.
(ii) Fleming.s left - hand rule : See answer to Q.25.of Questions and Answer section .
(iii) Fleming.s right -hand rule : See answer to Q.43.of Questions and Answer section .