267888 The excess (equal in number) number of electrons that must be placed on each of two small spheres spaced \(3 \mathrm{~cm}\) apart with force of repulsion between the spheres to be \(10^{-19} \mathrm{~N}\) is

267889 Two small conducting spheres each of mass \(9 \times 10^{-4} \mathrm{~kg}\) are suspended from the same point by non conducting strings of length \(100 \mathrm{~cm}\). They aregiven equal and similar charges until the strings areequally inclined at \(45^{\circ}\) each to the vertical. The charge on each sphere is..... coulomb

267890 Two point charges of magnitude \(4 \mu \mathrm{C}\) and -9 \(\mu \mathrm{C}\) are \(0.5 \mathrm{~m}\) apart. The electric intensity is zero at a distance ' \(x\) ' \(m\) from ' \(A\) ' and ' \(y\) ' \(m\) from ' \(B\) '. ' \(x\) ' and ' \(y\) ' are respectively
\(\mathrm{P}-1 \mathrm{mc}-9 \mathrm{mc}\)

267891 A charge \(+q\) is fixed to each of three corners of a square. O \(n\) the empty corner a charge \(Q\) is placed such that there is no net electrostatic force acting on the diagonally oppositecharge. Then

267888 The excess (equal in number) number of electrons that must be placed on each of two small spheres spaced \(3 \mathrm{~cm}\) apart with force of repulsion between the spheres to be \(10^{-19} \mathrm{~N}\) is

267889 Two small conducting spheres each of mass \(9 \times 10^{-4} \mathrm{~kg}\) are suspended from the same point by non conducting strings of length \(100 \mathrm{~cm}\). They aregiven equal and similar charges until the strings areequally inclined at \(45^{\circ}\) each to the vertical. The charge on each sphere is..... coulomb

267890 Two point charges of magnitude \(4 \mu \mathrm{C}\) and -9 \(\mu \mathrm{C}\) are \(0.5 \mathrm{~m}\) apart. The electric intensity is zero at a distance ' \(x\) ' \(m\) from ' \(A\) ' and ' \(y\) ' \(m\) from ' \(B\) '. ' \(x\) ' and ' \(y\) ' are respectively
\(\mathrm{P}-1 \mathrm{mc}-9 \mathrm{mc}\)

267891 A charge \(+q\) is fixed to each of three corners of a square. O \(n\) the empty corner a charge \(Q\) is placed such that there is no net electrostatic force acting on the diagonally oppositecharge. Then

267888 The excess (equal in number) number of electrons that must be placed on each of two small spheres spaced \(3 \mathrm{~cm}\) apart with force of repulsion between the spheres to be \(10^{-19} \mathrm{~N}\) is

267889 Two small conducting spheres each of mass \(9 \times 10^{-4} \mathrm{~kg}\) are suspended from the same point by non conducting strings of length \(100 \mathrm{~cm}\). They aregiven equal and similar charges until the strings areequally inclined at \(45^{\circ}\) each to the vertical. The charge on each sphere is..... coulomb

267890 Two point charges of magnitude \(4 \mu \mathrm{C}\) and -9 \(\mu \mathrm{C}\) are \(0.5 \mathrm{~m}\) apart. The electric intensity is zero at a distance ' \(x\) ' \(m\) from ' \(A\) ' and ' \(y\) ' \(m\) from ' \(B\) '. ' \(x\) ' and ' \(y\) ' are respectively
\(\mathrm{P}-1 \mathrm{mc}-9 \mathrm{mc}\)

267891 A charge \(+q\) is fixed to each of three corners of a square. O \(n\) the empty corner a charge \(Q\) is placed such that there is no net electrostatic force acting on the diagonally oppositecharge. Then

267888 The excess (equal in number) number of electrons that must be placed on each of two small spheres spaced \(3 \mathrm{~cm}\) apart with force of repulsion between the spheres to be \(10^{-19} \mathrm{~N}\) is

267889 Two small conducting spheres each of mass \(9 \times 10^{-4} \mathrm{~kg}\) are suspended from the same point by non conducting strings of length \(100 \mathrm{~cm}\). They aregiven equal and similar charges until the strings areequally inclined at \(45^{\circ}\) each to the vertical. The charge on each sphere is..... coulomb

267890 Two point charges of magnitude \(4 \mu \mathrm{C}\) and -9 \(\mu \mathrm{C}\) are \(0.5 \mathrm{~m}\) apart. The electric intensity is zero at a distance ' \(x\) ' \(m\) from ' \(A\) ' and ' \(y\) ' \(m\) from ' \(B\) '. ' \(x\) ' and ' \(y\) ' are respectively
\(\mathrm{P}-1 \mathrm{mc}-9 \mathrm{mc}\)

267891 A charge \(+q\) is fixed to each of three corners of a square. O \(n\) the empty corner a charge \(Q\) is placed such that there is no net electrostatic force acting on the diagonally oppositecharge. Then