Two equations are given below:
(A) `int E. dA = (Q)/(epsilon_(0))`
(B) `int B. dA = 0`
They are

The maxwells four equations are written as i. oint vec(E).vec(dS) = (q)/(epsilon_(0)) ii. oint vec(B).vec(dS) = 0 iii. oint vec(E ).vec(dl) = (d)/(dt) oint vec(B).vec(dS) iv. oint vec(B).vec(dl) = mu_(0) epsilon (d)/(dt) oint vec(E).vec(dS) The equations which have sources of vec(E ) and vec(B) are

A plane EM wave travelling in vacuum along z-direction is given by E=E_(0) " sin "(kz- omegat) hati " and " B =B_(0) " sin " (kz- omegat) hatj (i) Evaluate intE. dl over the rectangular loop 1234 shown in figure. (ii) Evaluate int B.ds over the surface bounded by loop 1234. (iii) Use equation int E.dl = (-dphi_(B))/(dt) to prove (E_(0))/(B_(0)) =c. (iv) By using similar proces and the equation int B.dl =mu_(0) I+ epsilon_(0) (dphi_(E))/(dt), prove that c (1)/(sqrt(mu_(0) epsilon_(0))

A plane EM wave travelling in vacuum along z-direction is given by E=E_(0) " sin "(kz- omegat) hati " and " B =B_(0) " sin " (kz- omegat) hatj (i) Evaluate intE. dl over the rectangular loop 1234 shown in figure. (ii) Evaluate int B.ds over the surface bounded by loop 1234. (iii) Use equation int E.dl = (-dphi_(B))/(dt) to prove (E_(0))/(B_(0)) =c. (iv) By using similar proces and the equation int B.dl =mu_(0) I+ epsilon_(0) (dphi_(E))/(dt), prove that c (1)/(sqrt(mu_(0) epsilon_(0))

The equations of the perpendicular bisectors of the sides A Ba n dA C of triangle A B C are x-y+5=0 and x+2y=0 , respectively. If the point A is (1,-2) , then find the equation of the line B Cdot

The equations of the perpendicular bisectors of the sides A Ba n dA C of triangle A B C are x-y+5=0 and x+2y=0 , respectively. If the point A is (1,-2) , then find the equation of the line B Cdot

The equations of the perpendicular bisectors of the sides A Ba n dA C of triangle A B C are x-y+5=0 and x+2y=0 , respectively. If the point A is (1,-2) , then find the equation of the line B Cdot

The equations of the perpendicular bisectors of the sides A Ba n dA C of triangle A B C are x-y+5=0 and x+2y=0 , respectively. If the point A is (1,-2) , then find the equation of the line B Cdot

The dimensional formula for the physical quantity (E^(2)mu_(0)epsilon_(0))/(B^(2)) is (E = electric field and B = magnetic field)