Four resistors `R_(1),R_(2),R_(3)` and `R_(4)` are connected between two terminals A and B iin a network as shown in the diagram. A key K can connect the two points (see diagram) C and D. A constant potential difference `(V_(A)-V_(B))=V` is maintained between thhe points A and B
Q. If `V=25,R_(1)=1Omega,R_(2)=2Omega,R_(3)=3Omega` and `R_(4)=4Omega` the current that will flow from C to D on connecting key K is

Four resistors R_(1),R_(2),R_(3) and R_(4) are connected between two terminals A and B iin a network as shown in the diagram. A key K can connect the two points (see diagram) C and D. A constant potential difference (V_(A)-V_(B))=V is maintained between thhe points A and B Q. If R_(1)=R_(4)=1Omega and R_(2)=R_(3)=2Omega , the effective resistance between the terminals A and B will change, on closing the key K, by

Four resistors R_(1),R_(2),R_(3) and R_(4) are connected between two terminals A and B iin a network as shown in the diagram. A key K can connect the two points (see diagram) C and D. A constant potential difference (V_(A)-V_(B))=V is maintained between thhe points A and B Q. In on connecting the key K, no current flows through the segment CD, whatever potential difference V exists between A and B which of the following cases will satisfy this condition?

The potential difference in volt across the resistance R_(3) in the circuit shown in figure, is (R_(1)=15Omega,R_(2)=15Omega, R_(3)=30Omega, R_(4)=35Omega)

In the circuit shown below E_(1) = 4.0 V, R_(1) = 2 Omega, E_(2) = 6.0 V, R_(2) = 4 Omega and R_(3) = 2 Omega . The current I_(1) is

In the given figure, E=12V, R_(1)=3Omega, R_(2)=2Omega" and "r=1Omega . The choose the correct option/s

In the following circuit , E_1 = 4V, R_1 = 2 Omega, E_2 = 6 V, R_2 = 2Oemga, and R_3 = 4Omega. Find the currents i_1 and i_2

Two batteries of emf 4 V and 8 V with internal resistances 1Omega and 2Omega are connected in a circuit with a resistance of 9Omega as shown in figure. The current and potential difference between the points P and Q are

In the given circuit, E=8 V,R_1=1Omega, R_2=R_3=R_4=5Omega .The current through the resistance R_4 is (in A):