Question

A spark is generated in an automobile spark plug when there is an electric potential of 3000 V across the electrode gap. If it takes 100 ns for the spark to jump across the gap and the total charge that travels across the gap is 2.5 nC, what is the power generated by a single spark?

a) 10 W

b) 25 W

c) 40 W

d) 60 W

e) 75 W

Answer 1

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C Given.. Voltager )= 3000 v charge (@)= 2954c = 25x10 % time (t) = loons looxinas Novo Powex = Voltagex current Current Charge time so power voltage, charge tim 300.0 X.2.5 X1 100 x 159 75 watt So ® option is correct. CS Scanned with CamScanner