Gap between two electrodes of the spark-plug used in an automobile engine is 1.25 mm. If the potential of 20 V is applied across the gap
Gap between two electrodes of the spark-plug used in an automobile engine is 1.25 mm. If the potential of 20 V is applied across the gap, what will be the magnitude of electric field between the electrodes?
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Given: V = 20 V
d = 1.25 mm = 1.25 × 10-3 m
To Find: Magnitude of electric field (E)
Formula: E = \(\frac{V}{d}\)
Calculation: From formula,
E = \(\frac{20}{1.25\times 10^{-3}}\)
= 1.6 × 104 V/m
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