7.
Where is the
lamp
power
cable
on
the
9460A
nanovolt
amplifier
connected?
a.
To 115 volt line source
b.
2pm connector on the left side of the 9461A galvanometer
c.
2pm connector on the left side of the 9771 constant current
source
d.
To the cells of the 9154B standard cell enclosure
8.
recorder. What value of load resistor is required if the Io is 10A
and Vo is 1mV?
a.
100 ohm
b.
10 ohm
c.
1000 ohm
d.
500 ohm
9.
How should the light strips be positioned when making the final zero
procedure adjustment on the 9460A Nanovolt Amplifier?
a.
Slightly offset outwards
b.
Slightly offset inwards
c.
Centered
d
Horizontal
10.
How are the two photo-cells connected in the 9460A Nanovolt Amplifier?
a.
Parallel assisting
b.
Series opposing
c.
Series assisting
d.
Parallel opposing
11.
What is the sensitivity of the 9461A Galvanometer?
a.
550 ohms
.002A/mm
b.
.002mm/A
c.
d.
240mm/2.5 sec
12.
On
what
sensitivity
range
should
the
9461A
Galvanometer
be
mechanically zeroed?
a.
1/1000
b.
1/1
c.
1/10
d.
1.100
13.
What type of cleaner should be used to clean the 9461A Galvanometer
mirror?
a.
Alcohol
b.
Distilled water
c.
Chemically pure acetate
d.
Turpentine
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