Options:
(1)
(2)
(3)
(4)
Answer: (2)
Solutions:
Q-15 In figure two parallel infinitely long current carrying wires are shown. If resultant magnetic field at point A is zero. Then determine current.
Image Two Parallel Infinitely Long Current
(1)
(2)
(3)
(4)
Answer: (3)
Solutions:
Image Two Parallel Infinitely Long Current
At
Q-16 A Carnot engine works between and. Heat supplied by the source is 500 J. Then heat ejected to the sink is:
Options:
(1)
(2)
(3)
(4)
Answer: (3)
Solutions:
Q-17 Find out work done to expend soup bobble to radius
(1)
(2)
(3)
(4)
Answer: (2)
Solutions: