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Why Electric Field Is Normal To Surface Of Conductor

In case the electric field is not normal to the surface of the conductor, then it will have a component... View Article

In which of the following processes, the net work done is Zero? a) Cyclic b) Adiabatic c) Isochoric d) Free... View Article

1) [x : 1 < x ≤ 2] 2) [x : 1 ≤ x < 2] 3) [x : 1 ≤ x... View Article

Solution: (3) A = (x, y), x ∈ R, y = 1 / x A = {(1, 1), (2, 1... View Article

1) a unique point in the interval (n, n + (1 / 2)) 2) a unique point in the interval... View Article

Solution: (1) (A ∩ B) ⊆ A

Solution: (2) A = {1, 2, 3} B = {3, 4} C = {4, 5, 6} (B ∩ C) =... View Article

Solution: (2) A = {1, 2, 3} n (A) = 3 The number of subsets of A = 2n =... View Article

Solution: (3) If set A consists of n elements, the total number of subsets of A is 2n.

Solution: (1) Given: A = { x : x ∈ R, x2 = 16 and 2x = 6 } x2... View Article

1) {x : x is a real number and x2 – 1 = 0} 2) {x : x is a... View Article

Solution: (4) f’ (x) – 2 f (x) < 0 f’ (x) e-2x – 2e-2x f (x) < 0 ex... View Article

Solution: (2)

Solution: (2)

If A = {(x,y) / x2 + y2 = 25} and B {(x,y) / x2 + 9y2 = 144 }... View Article

1) A ⋃ B ⋃ C 2) A ∩ B ∩ C 3) A ⋃ (B ∩ C) 4) A... View Article

Column – A Column – B (1) f (x) = 1 – 2-x (a) f-1 (x) = x / √1... View Article

f (x) = sin-1 {4 – (x – 7)3}⅓ then f-1 (x) = … 1) (7 – sin5 x)⅓ 2)... View Article

Solution: (1) Here f-1 (-2) = {x ∈ R | f (x) = -2} = {x ∈ R | x2... View Article

1) R1 = {(x,y) / x1 + y2 = 1, x, y ϵ R} 2) R2 = {(x, y) /... View Article