When Q2 turns ON a large potential difference exists between {TAIL ~ the capacitor C} and {HEAD ~ the supply terminal} 10 
When Q2 turns ON a large potential difference exists between { TAIL ~ the capacitor C } and { HEAD ~ the supply terminal } 10
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH