Removed from current syllabusKept here for past-paper practice.
Question text
35 The diagram represents thermionic emission from a metal filament. metal filament particles charged plate to attract particles The particles are attracted by a charged plate. Which row shows the charge on the plate, and the temperature of the metal filament? temperature of charge on plate metal filament A negative high B negative low C positive high D positive low
35 The diagram represents thermionic emission from a metal filament.
metal filament particles
charged plate to
attract particles
The particles are attracted by a charged plate.
Which row shows the charge on the plate, and the temperature of the metal filament?
temperature of
charge on plate
metal filament
A negative high
B negative low
C positive high
D positive low
Select your answer: