Current I is flowing in infinitely long wire. Which of the following graphs represents the variation of B w.r.t. axial distance ?

which of the following graph represents the variation of resistivity ( rho ) with temperature (T) for copper?

Which of the following graph represents the variation of resistivity ( rho ) with temperature (T) for copper?

Plot the graph represent the variation of electric field |vecE| with distance (r )

Switch S of the circuit shows in Fig. is closed at t = 0 . If e denotes the induced emf in L and i the current flowing through the circuit at time t , then which of the following graphs correctly represents the variation of e with i ?

Switch S of the circuit shows in Fig. is closed at t = 0 . If e denotes the induced emf in L and i the current flowing through the circuit at time t , then which of the following graphs correctly represents the variation of e with i ?

Which of the following x-t graphs represents the distance-time variation of a body released from the top of a buiding?

Which of the following x-t graphs represents the distance-time variation of a body released from the top of a buiding?

A long straight wire of a circular cross-section (radius a) carries a steady current I and the current I is uniformly distributed across this cross-section. Which of the following plots represents the variation of magnitude of magnetic field B with distance r from the centre of the wire?