The critical spark energy required to ignite a given mixture
A. decreases with decreasing sparking voltage
B. increases with decreasing sparking voltage
C. increases with increasing sparking voltage
D. decreases with increasing sparking voltage
Answer:D
The critical spark energy required to ignite a given mixture
A. decreases with decreasing sparking voltage B. increases with decreasing sparking voltage C. increases with increasing sparking voltage D. decreases with increasing sparking voltage