Two circular rings of identical radii and resistance `36 Omega` are placed as shown the figure. Conducting joints are made at points A and B and a cell of emf 20V is connected between these two points.What is the power (in W ) delivered by the cell ?[`C_(1)` and `C_(2)` are the centres of the two rings ]

Two circular rings of identical radii and resistance of 36Omega each are placed in such a way that they cross each others centre C_1 and C_2 as shown in figure. Conducting joints are made at intersection point A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The power delivered by cell is:

Two circular rings of identical radii and resistance of 36Omega each are placed in such a way that they cross each others centre C_1 and C_2 as shown in figure. Conducting joints are made at intersection point A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The power delivered by cell is:

Three cells of emf 1 V and iternal resistance 1 Omega each are connected as shown. Effective emf of combination between the points P and Q is-

A conducting circular ring is rotated with angular velocity omega about point A as shown in figure. Radius of ring is a find a. potential difference between points A and C b. potential difference between the points A and D .

Two cells X an Y are connected to a resistance of 10 Omega as shown in figure. The terminal voltage of cell Y is:

A wire having resistance 20 Omega is bent in the form of a circle as shown in the following figure: What will be the resistance between two end points A and B located on the diameter?

Three resistances 8 Omega,20 Omega and 40 Omega are connected in parallel and the combination is joined to a cell of emf 2.1 V. IF current through the lowest resistances is 0.25A, determine the terminal resistance of the cell.

A conducting circular ring is rotated with angular velocity omega about point A as shown in figure. Radius of ring is a find a. potential difference between points A and C b. potential difference the points A and D .

A wire of resistance 16Omega is bent in to a circle and a cell of e.m.f. 2V and internal resistance 1Omega is connected between two points of wire, a quarter circumference apart. The current in each segment of wire is