268289 Resistance of each \(10 \Omega\) are connected as shown in the fig. The effective resistance betweeen \(\mathrm{A}\) and \(\mathrm{G}\) is

268290 Which arrangement of four identical
resistances should be used to draw maximum energy from a cell of voltage \(V\)

1

2

3

4

268291 If four resistances are connected as shown in the fig. between \(A\) and \(B\) the effective resistance is

268292 A letter 'A' is constructed as a uniform wire of resistance \(1 \mathrm{ohm} / \mathrm{cm}\). The sides of the letter are \(20 \mathrm{~cm}\) long and thecross piecein themiddle is \(10 \mathrm{~cm}\) long while the vertex angle is \(60^{\circ}\). The resistance of the letter between the two ends of the legs is

268289 Resistance of each \(10 \Omega\) are connected as shown in the fig. The effective resistance betweeen \(\mathrm{A}\) and \(\mathrm{G}\) is

268290 Which arrangement of four identical
resistances should be used to draw maximum energy from a cell of voltage \(V\)

1

2

3

4

268291 If four resistances are connected as shown in the fig. between \(A\) and \(B\) the effective resistance is

268292 A letter 'A' is constructed as a uniform wire of resistance \(1 \mathrm{ohm} / \mathrm{cm}\). The sides of the letter are \(20 \mathrm{~cm}\) long and thecross piecein themiddle is \(10 \mathrm{~cm}\) long while the vertex angle is \(60^{\circ}\). The resistance of the letter between the two ends of the legs is

268289 Resistance of each \(10 \Omega\) are connected as shown in the fig. The effective resistance betweeen \(\mathrm{A}\) and \(\mathrm{G}\) is

268290 Which arrangement of four identical
resistances should be used to draw maximum energy from a cell of voltage \(V\)

1

2

3

4

268291 If four resistances are connected as shown in the fig. between \(A\) and \(B\) the effective resistance is

268292 A letter 'A' is constructed as a uniform wire of resistance \(1 \mathrm{ohm} / \mathrm{cm}\). The sides of the letter are \(20 \mathrm{~cm}\) long and thecross piecein themiddle is \(10 \mathrm{~cm}\) long while the vertex angle is \(60^{\circ}\). The resistance of the letter between the two ends of the legs is

268289 Resistance of each \(10 \Omega\) are connected as shown in the fig. The effective resistance betweeen \(\mathrm{A}\) and \(\mathrm{G}\) is

268290 Which arrangement of four identical
resistances should be used to draw maximum energy from a cell of voltage \(V\)

1

2

3

4

268291 If four resistances are connected as shown in the fig. between \(A\) and \(B\) the effective resistance is

268292 A letter 'A' is constructed as a uniform wire of resistance \(1 \mathrm{ohm} / \mathrm{cm}\). The sides of the letter are \(20 \mathrm{~cm}\) long and thecross piecein themiddle is \(10 \mathrm{~cm}\) long while the vertex angle is \(60^{\circ}\). The resistance of the letter between the two ends of the legs is