In an experiment involving the apparatus shown in figure Q4.1b, suppose that after shining light on the cathode long enough that the voltmeter settles down to a fixed value, we suddenly cut off the light. If the voltmeter is truly ideal, what happens to the value displayed? 
A. It immediately drops to zero.
B. It slowly decays to zero.
C. It remains fixed.
D. It does something else. (Describe what.)
C. It remains fixed.
You might also like to view...
The distribution of Population II stars and globular clusters shows the Galaxy was more ________ in shape when it formed than it is now
Fill in the blank(s) with correct word
A drive shaft resists torsional shear stress of 45 MPa and axial compressive stress of 100 MPa. The maxi- mum shear stress is approximately:
(A) 42 MPa
(B) 67 MPa
(C) 71 MPa
(D) 93 MPa
The paths of the planets' orbits lie in all different directions in the sky.
Answer the following statement true (T) or false (F)
Stratification, or ______________, is the layering that develops at the time sediments are deposited
Fill in the blank(s) with correct word