5.

How many watts of heat are radiated by the normal human body in a

laboratory environment?

a.

50

b.

75

c.

100

6.

What effect does alternating current magnetic fields have upon the

permanent magnets of meter movements?

a.

Expansion

b.

Capillary

c.

Demagnetizing

7.

Which ohmic resistance is most desirable in an voltmeter?

a.

Ten ohms per milliampere of current

b.

20,000 ohms per volt

c.

1,000,000 ohms per volt

8.

Which statement is TRUE concerning calibration errors?

a.

The rules of statistics and

probability are developed around

systematic events.

b.

Random errors can always be blamed as the cause of trends, jumps,

and changes in precision.

c.

Random errors can

be

reduced by

taking

several readings

and

averaging them.

9.

Which number contains four significant digits?

a.

00.62

b.

436.0

c.

00.003

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