Electric Fields Flashcards
1
Q
Why does the dome become positive charge when van de graaf generator switches on
A
Electrons flow away from dome
2
Q
Why does an insulating rubber mat make hair strands go up?
A
Electrons in body attracted and flow to positive charged dome .
Their strand develop positive charge and repel
3
Q
State what effect would removing smoke particles by precipitators have .
A
No effect as smoke particles will still be attracted towards collectors
