Two very thin and very long uniform wires, placed very close to each other, carry equal but opposite currents. Point 1 is exactly at the middle of those wires and point 2 is far away from the wires. Which one among the following regarding the net magnetic field produced is correct?

With regard to the magnetic field lines, which one among the following statements is NOT correct?

Which one of the following statements regarding magnetic field is NOT correct ?

Which one of the following statements regarding a current-carrying solenoid is not correct?

A positively charged particle (α-particle) is projected towards west in a horizontal plane. It is deflected towards north in the same plane by a magnetic field. Which one among the following is the d…

Which of the following statements correctly explain the existence of a positive force between two electric charges? 1. Both the charges are positive. 2. Both the charges are negative. 3. Both the cha…