In electric field due to linear charge distribution. When the rod is placed along y axis, Given that Ey= klambda/a( cos alpha - cos beta) While explaining cases like alpha = beta = 0, etc it's given that Ey = k lambda /a ( cosbeta - cos alpha). Which one is correct?

Open in App

Solution

Suggest Corrections

Similar questions

Let $α, β, γ, δ ϵ (0, π)$ be such that $2 cos α + 6 cos β + 7 cos γ + 9 cos δ = 0$ and $2 sin α - 6 sin β + 7 sin γ - 9 sin δ = 0,$ then the value of $λ$ for which $λ cos (α + δ) = 7 cos (β + γ)$ is

Q. If (cos α + cos β)² + (sin α + sin β)² =

λ \cos^{2} (\frac{α - β}{2})

, write the value of λ.

Q. A non-uniform rod of length 'L' and linear mass density

λ (x) = α x + β

(where

α

β

are positive constants and is the X - Co-ordinate of a point) is placed on the X - axis with one end at the origin, its mass is

P

is the length of the perpendicular from the origin upon the straight line joining the two points whose coordinates are

(a cos α, a sin α)

and

(a cos β, a sin β)

.
If

P = a cos (\frac{α - β}{λ}),

then

λ = ?

If A $(α, β) = ⎡ ⎢ ⎣ \begin{matrix} c o s α & s i n α & 0 - s i n α & c o s α & 0 0 & 0 & e^{β} \end{matrix} ⎤ ⎥ ⎦, t h e n$

Join BYJU'S Learning Program