Two thin metallic strips carrying current in the direction shown, cross each other perpendicularly without touching but being close to each other, as shown. The regions which contain some points of zero magnetic induction are:
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
The radius of the coil which has 10 turns is 0.1m. The current required to produce a deflection of 60° (Bh = 4×10-5T)
The angle of minimum deviation in an equilateral prism of refractive index 1.414 is
When 32.25g of ethyl chloride is subjected to dehydrohalogenation reaction the yield of the alkene formed is 50%. The mass of the product formed is: (atomic mass of chlorine is 35.5)
The correct order of ionic radii of {tex}Y^{3+}, La^{3+}, Eu^{3+}{/tex} and {tex}Lu^{3+}{/tex}is
If x1, x2, x3 as well as y1, y2, y3 are in GP with the same common ratio, then the points (x1, y1), (x2, y2) and (x3, y3) :
If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to
Which of the following statement is true?
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