Sparking occurs when a load is switched off because the circuit has high
A. Resistance
B. Inductance
C. Capacitance
D. Impedance
Answer: Option B
This Question Belongs to Electrical Engineering >> Current Electricity
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When we suddenly switched off a load due to sudden change in current a voltage is developed across the inductor(v=L di/dt). This heavy voltage will ionise the air to make the air as conductor to produce arc in the form of sparking.