List of top Physics Questions on Resistance asked in CUET (UG)

Which of the following is connected to the coil of the galvanometer, to protect it from possible damages due to large current?

Six equal resistances each of 4 Ω are connected to form a network as shows in figure. The resistance between A and B would be:

Six equal resistances are connected between points P, Q and R as shown in the figure. The net resistance will be maximum between:

A series AC circuit has a resistance 8Ω and a reactance of 6Ω . The impedance of the circuit is:

Two wires of copper have lengths L and 2L and cross sectional area 2A and A, respectively. The ratio of their specific resistance would be-