Four resistors R\(_1\),R\(_2\),R\(_3\), and R\(_4\) are connected in series as shown above, V\(_1\),V\(_2\),V\(_3\) are voltmeters connected as indicated above. Which of the following relations is correct??

Each of the diagrams in Fig 6 represents two current-carrying conductors situated close to each other. In which two diagrams are the forces between the two wires attractive?

The diagram above shows three circuits, the internal resistances of the batteries are negligible. which of the currents is the largest