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Electronics and Communication Engineering - Measurements and Instrumentation

Exercise : Measurements and Instrumentation - Section 6
41.
The range of RTD using platinum is about
-100° C to 700°C
-200°C to 1000°C
100°C to 1000°C
about 500°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
A digital voltmeter has a 4 1/2 digit display. The 1 V range can measure voltage up to
0.9999 V
1.9999 V
0.199 V
9.999 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Consider the following statements as regards induction and dynamometer wattmeters
  1. Dynamometer wattmeters can be used for dc only.
  2. Induction wattmeter has higher torque and dynamometer wattmeter.
  3. Induction wattmeter is less accurate, has more power consumption and more weight than dynamometer wattmeter.
Which of the above statements are correct?
1 only
1 and 2 only
2 and 3 only
1 and 3 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
A Maxwell's bridge has the unknown inductance in one arm and resistance in the other three arms.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
For a current transformer, the standard secondary rating is
1 A or 5 A
2.5 A
10 A
5 A or 10 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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