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