The potential at a point due to a charge of `4times10^(-7)C` located 9cm is ...........V
(A) `4times10^(2)`
(B)`4times10^(1)`
(C) `4times10^(4)`
(D)`4times10^(3)`

The electric potential at a point, due to a positive charge of 100 µC distance of 9m, is (a) 10^4 V (b) 10^6 V (c) 10^5 V (d) 10^7 V

The electric potential at a point, due to a positive charge of 100 µC distance of 9m, is (a) 10^4 V (b) 10^6 V (c) 10^5 V (d) 10^7 V

If 10% of total electrons from 54gm Water are removed then find total charge in it :- (A) 288times10^(4)cb (B) 2.88times10^(4)cb (C) 28.8times10^(4)cb (D) 2880times10^(4)cb

(a) Calculate the potential at a point P due to a charge of 4xx10^(-7) C located 9 cm away. (b) Hence obtain the work done in bringing a charge of 2xx10^(-9) C from infinity to the point P. Does the answer depend on the path along which the charge is brought ?

Evaluate a^(7)times b^(7)times c^(-4)times c^(5)times d^(9)

In the past 2000 million years, continents have circled the earth (a) 40 times (b) 10 times (c) 4 times (d) 2 times

Find the potential at the centre of a square of side sqrt(2) m .Which carries at its four corners charges q_(1) = 3 xx 10^(-6) C, q_(2) = - 3 xx 10^(-6) C, q_(3) = - 4 xx 10^(-6)C, q_(4) = 7 xx 10^(-6)C .

Find the magnitude of the electric field at a point 4 cm away from a line charge of density 2 xx 10^(-6) C m^(-1) .

The electric field due to a charge at a distance of 3 m from it is 500 NC^(-1) . The magnitude of the charge is [(1)/(4 pi epsi_(0)) = 9 xx 10^(9) N - m^(2)//C^(2)]

Solve- (4/9)^-2 times (4/9)^9 times (4/9)^-10