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Electronics and Communication Engineering - Measurements and Instrumentation

Exercise : Measurements and Instrumentation - Section 10
6.
If Eb is the potential of accelerating anode, the energy of electrons as they emerge from electron gun is proportional to
Eb
Eb
Eb1.5
Eb2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
A moving iron instrument has
two iron vanes, one fixed and one movable
two movable iron vanes
two aluminium vanes, one fixed and one movable
two vanes, one fixed made of Aluminium and the other movable made of iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The temperature coefficient of resistance for a thermistor is
low and negative
low and positive
high and negative
high and positive
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
To measure an unknown ac voltage by an ac potentiometer it is desirable that supply for the potentiometer is taken
from a battery
from a source which is not the same as unknown voltage
from the same source as the unknown voltage
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A linear displacement digital transducer generally uses
straight binary code
BCD
gray code
hexadecimal code
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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