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Look at the figure given below, iron filings are sprinkled on a cardboard perpendicular to which a current carrying copper wire runs. The other components of the circuit have their usual meanings. What happens to a compass at a particular point near the copper wire if the resistance of the circuit is increased? |
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Answer» Look at the figure given below, iron filings are sprinkled on a cardboard perpendicular to which a current carrying copper wire runs. The other components of the circuit have their usual meanings. What happens to a compass at a particular point near the copper wire if the resistance of the circuit is increased?
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