Question

Set up the circuit shown in figure again. Move the key to ‘ON’ position and watch carefully in which direction the compass needle gets deflected. Switch ‘OFF’ the current. Now keeping rest of the circuit intact, reverse the connections at the terminal of the cell. Again switch ‘on’ the current. Note the direction in which the needle gets deflected. Think of an explanation.

Answer 1

No, The given circuit does not have any current source. In the absence of current, The wire does not behave as a magnet and Hence, The compass needle will not show any deflection.