21. The equivalent resistance between points A and Bis RR. АН-wов (a) 2R (a) 2R (CA (OR

Four identical resistances are joined as shown in the figure. The equivalent resistance between points A and B is R_(1) and that between A anc C is R_(2) then ratio R_(1)//R_(2) is

Four identical resistance are joined as shown in fig. the equivalent resistance between points A and B is R_(1) and that between A and C is R_(2) . Then ratio of (R_(1))/(R_(2)) is

The equivalent resistance between A and B in the situation shown is ER R A 2R 2R

The equivalent resistance between A and B in the situation shown is ER R. А B 2R 2R

The equivalent resistance between the points A and B is ( R is the resistance of each side of smaller square)

The equivalent resistance between the points A and B is ( R is the resistance of each side of smaller square)

Find equivalent resistance between points A and B in the figure. Each resistance is R.

Six wires each of resistance r form a tetrahedron. The equivalent resistance between corners 1-2 and 1-3 are respectively

Six wires each of resistance r form a tetrahedron. The equivalent resistance between corners 1-2 and 1-3 are respectively