1.

Look at the figure given below and answer question based on that. Iron filings are sprinkled on a cardboard perpendicular to which a current carrying copper wire runs. A compass is placed at point 'P'. The other components of the circuit have their usual meaningsIf the polarity of the battery in the circuit is changed then__

Answer»

Look at the figure given below and answer question based on that.


Iron filings are sprinkled on a cardboard perpendicular to which a current carrying copper wire runs. A compass is placed at point 'P'. The other components of the circuit have their usual meanings



If the polarity of the battery in the circuit is changed then__





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