268520 Three ammeters\(P, Q\) and \(R\) with internal resistances \(r, 1.5 r\),3r respectively . \(Q\) and \(R\) parallel and this combination is in series with \(\mathrm{P}\), The whole combination concted between \(X\) and \(Y\). When the battery connected between \(X\) and \(Y\), the ratio of the readings of \(P, Q\) and \(R\) is

268521 The potential difference between the points
\(A\) and \(B\) is

268522 The resistance of a semicircle shown in fig. betweenitstwo end faces is (G iven that radial thickness \(=3 \mathrm{~cm}\), axial thickness \(=4 \mathrm{~cm}\), inner radius \(=6 \mathrm{~cm}\) and resistivity \(=4 \times 10^{-6} \Omega \mathrm{cm}\) )

268523 ABCD is a square where each side is a uniform wire of resistance12 . A point \(E\) lies on \(C D\) such that if a uniform wire of resistance \(1 \Omega\) is connected across AE and constant potential difference is applied across \(A\) and \(C\), then \(B\) and \(E\) are equipotential .

268520 Three ammeters\(P, Q\) and \(R\) with internal resistances \(r, 1.5 r\),3r respectively . \(Q\) and \(R\) parallel and this combination is in series with \(\mathrm{P}\), The whole combination concted between \(X\) and \(Y\). When the battery connected between \(X\) and \(Y\), the ratio of the readings of \(P, Q\) and \(R\) is

268521 The potential difference between the points
\(A\) and \(B\) is

268522 The resistance of a semicircle shown in fig. betweenitstwo end faces is (G iven that radial thickness \(=3 \mathrm{~cm}\), axial thickness \(=4 \mathrm{~cm}\), inner radius \(=6 \mathrm{~cm}\) and resistivity \(=4 \times 10^{-6} \Omega \mathrm{cm}\) )

268523 ABCD is a square where each side is a uniform wire of resistance12 . A point \(E\) lies on \(C D\) such that if a uniform wire of resistance \(1 \Omega\) is connected across AE and constant potential difference is applied across \(A\) and \(C\), then \(B\) and \(E\) are equipotential .

268520 Three ammeters\(P, Q\) and \(R\) with internal resistances \(r, 1.5 r\),3r respectively . \(Q\) and \(R\) parallel and this combination is in series with \(\mathrm{P}\), The whole combination concted between \(X\) and \(Y\). When the battery connected between \(X\) and \(Y\), the ratio of the readings of \(P, Q\) and \(R\) is

268521 The potential difference between the points
\(A\) and \(B\) is

268522 The resistance of a semicircle shown in fig. betweenitstwo end faces is (G iven that radial thickness \(=3 \mathrm{~cm}\), axial thickness \(=4 \mathrm{~cm}\), inner radius \(=6 \mathrm{~cm}\) and resistivity \(=4 \times 10^{-6} \Omega \mathrm{cm}\) )

268523 ABCD is a square where each side is a uniform wire of resistance12 . A point \(E\) lies on \(C D\) such that if a uniform wire of resistance \(1 \Omega\) is connected across AE and constant potential difference is applied across \(A\) and \(C\), then \(B\) and \(E\) are equipotential .

268520 Three ammeters\(P, Q\) and \(R\) with internal resistances \(r, 1.5 r\),3r respectively . \(Q\) and \(R\) parallel and this combination is in series with \(\mathrm{P}\), The whole combination concted between \(X\) and \(Y\). When the battery connected between \(X\) and \(Y\), the ratio of the readings of \(P, Q\) and \(R\) is

268521 The potential difference between the points
\(A\) and \(B\) is

268522 The resistance of a semicircle shown in fig. betweenitstwo end faces is (G iven that radial thickness \(=3 \mathrm{~cm}\), axial thickness \(=4 \mathrm{~cm}\), inner radius \(=6 \mathrm{~cm}\) and resistivity \(=4 \times 10^{-6} \Omega \mathrm{cm}\) )

268523 ABCD is a square where each side is a uniform wire of resistance12 . A point \(E\) lies on \(C D\) such that if a uniform wire of resistance \(1 \Omega\) is connected across AE and constant potential difference is applied across \(A\) and \(C\), then \(B\) and \(E\) are equipotential .