The graph of a conductor between the potential difference (\/) and current / is shown in figure givne alongside. Calculate the resistance of the conductor. Class 10 science
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Secondary School Physics 49 points
IN a circuit shown in the figure given alongside , calculate the current flowing through the arms AB,AC and CDE the potential difference across AB,CD and DE.
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The voltage across the arms are same = 1.5 V
Current in arm AB
= \bf\huge\frac{V}{R}
= \bf\huge\frac{1.5V}{12}
= 0.125A
Current in the arm CDE
= \bf\huge\frac{V}{R}
= \bf\huge\frac{1.5V}{6 + 4}
= \bf\huge\frac{1.5V}{10}
= 0.15A
Current in arm AC ⇒ CDE = 0.15A
Potential Difference AB = 1.5V
Potential Difference CD = Current × Resistance
= 0.15 × 6
= 0.9V
Potential Difference DE = Current × Resistance
= 0.15A × 4
= 0.6V