moving-charges-and-magnetism Question 36
Question: Q. 13. A rectangular loop of wire of size
(i) the torque acting on the loop and
(ii) the magnitude and direction of the force on the loop due to the current carrying wire.
A [Delhi I, II, III 2012]
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Solution:
Ans. (i) Torque on the loop
As
(ii)Force acting on the loop
[CBSE Marking Scheme 2012]
[A] Q. 14. Two long straight parallel conductors carrying steady currents
U [O.D. I, II, III 2012, 11]
Ans. Try yourself, Similar to Q. 12, Short Answer Type II
The nature of the force is repulsive for currents in opposite direction and attractive when currents flow in the same direction.
[CBSE Marking Scheme 2011-12]
