(a) ---Select--- to the left to the right upward downward into the page out of t

Question

(a)     ---Select--- to the left to the right upward downward into the page out of the page

(b)     ---Select--- to the left to the right upward downward into the page out of the page

(c)     ---Select--- to the left to the right upward downward into the page out of the page

What is the direction of the magnetic field that produces the magnetic force shown on the currents in each of the three cases shown below, assuming B is perpendicular to I? (a) ---Select--- to the left to the right upward downward into the page out of the page (b) ---Select--- to the left to the right upward downward into the page out of the page (c) ---Select--- to the left to the right upward downward into the page out of the page

Explanation / Answer

direction of force is I X B .

for part a )

-i = j X B

so direction of B is -k .

into the Page . ............Ans

B) -k = -j x B

direction of B = - i

   = to the left

C) j = -i X B

B -> k

Out of the pAge

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