Eddy current loss is directly proportional to "(F=frequency B m = maximum flux density)-
(a) f 2andB_(m) 2
(b) f and B_(m)
(c) f 2 and B_(m)
(d) f and B_(m) 2

If f(x)=(x-a)^2(x-b)^2 , find f(a+b)

If alpha,beta are the zeros of the polynomial f(x)=a x^2+b x+c , then m m m 1/(alpha^2)+1/(beta^2)= (a) (b^2-2a c)/(a^2) (b) (b^2-2a c)/(c^2) (c) (b^2+2a c)/(a^2) (d) (b^2+2a c)/(c^2)

Three particles A, B and C of mass m, m and 2m lie in a straight line as shown. The only force acting on these particles is due to the gravitational attraction towards each other. Let the magnitude of net force on them be F_(A), F_(B) and F_(C ) respectively. Then, F_(A):F_(B):F_(C ) is equal to :

For f(x)=tan^(-1)(((sqrt(12)-2)x^2)/(x^4+2x^2+3)) (a) f_(m a x)=pi/(12) (b) f_(max)=0 (c) f_(max) = does not exist (d) f_(max)=pi/(2)

If x is the amount of adsorbate and m is the amount of adsorbent, which of the following relation is related to adsorption process? (a) (x)/(m) = f(T) at constant p (b) p = f(T) at constant ((x)/(m)) (c) (x)/(m) = p xx T (d) (x)/(m) = f(p) at constant T

If f(2x+y/8,2x-y/8)=x y , then f(m , n)+f(n,m)=0 (a) only when m=n (b) only when m!=n (c) only when m=-n (d) for all m and n

If f(x)=a+b x+c x^2AAa ,b ,c in R and a ,b ,c are distinct, then value of |a b c b c a c a b| is (where omega&omega^2 are complex cube roots of unity) f(1)f(omega)f(omega^2) (b) -f(omega)f(omega^2) -f(1)f(omega)f(omega^2) (d) f(omega)f(omega^2)

If m and n are positive integers and f(x) = int_1^x(t-a )^(2n) (t-b)^(2m+1) dt , a!=b , then

In a A B C ,\ D ,\ E ,\ F are the mi-points of sides B C ,\ C A\ a n d\ A B respectively. If a r( A B C)=16 c m^2, then a r\ (t r a p e z i u m\ F B C E)= 4\ c m^2 (b) 8\ c m^2 (c) 12 c m^2 (d) 10 c m^2

In the relation F=G M m//d^(2) , the quantity G