Physics Questions and Answers

Each of the figures in the diagram above represent two current carrying conductors situated close to each other. In which two diagrams, are the forces between the two wires attractive

In the Figure above, QR is a vertical conductor and the current I flows from R to Q, P is a point on the horizontal plane and is to the south of the wire. The direction of the magnetic field at P due to the current is

Four resistors R1,R2,R3 and R4 are connected in series as shown above, V1,V2,V3 are voltmeters connected as indicated above. Which of the following relations is correct?

the image above shows an inverted U-tube with the open end, O of one limb below the level, W of water in the tank, in order that water should begin to flow from the tank it is is necessary that

PQ is a thin rod on a horizontal table, RS is a plane mirror inclined at $45^{\circ}C$ to the horizontal as shown above. The image of PQ as seen in the mirror by the eye T is