MM0474
AIPD SUBCOURSE NUMBER MM0474, POWER MEASUREMENTS
EXERCISES FOR LESSON 1
1.
Power is divided into three levels, what level would a source with an
output of 20 mW be?
A.
Low
B.
Medium
C.
High
2.
What component is generally used for high level power measurements?
A.
B.
Crystal
C.
Barretters
3.
Bolometers are devices used to measure power and are
A.
Dissimilar wires connected together.
B.
Thin platinum wires on glass.
C.
Temperature sensitive resistors.
4.
What is
the
advantage
of
using
power
dividers
when
making
power
measurements?
A.
Allows all power to be delivered to the power meter.
B.
Increases power levels to a load.
C.
Permits measurements of power level while it is being delivered to a
load.
5.
How can a high level power measurement be made with a low level type power
meter?
A.
By the use of calibrated attenuators.
B.
By using special high-power measuring devices
and
calibrated
attenuators.
C.
By measuring the average power of the total.
6.
A bolometer device includes beads of semi-conducting material called
A.
Thermistors.
B.
Barretters.
C.
Carbon piles.
7
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