Electronics and Communication Engineering - Electronic Devices and Circuits
Exercise : Electronic Devices and Circuits - Section 7
- Electronic Devices and Circuits - Section 1
- Electronic Devices and Circuits - Section 2
- Electronic Devices and Circuits - Section 3
- Electronic Devices and Circuits - Section 4
- Electronic Devices and Circuits - Section 5
- Electronic Devices and Circuits - Section 6
- Electronic Devices and Circuits - Section 7
- Electronic Devices and Circuits - Section 8
- Electronic Devices and Circuits - Section 9
- Electronic Devices and Circuits - Section 10
31.
In a platinum RTD, the change in resistance for a temperature rise of 50° C is about
32.
The gauge factor of a semiconductor strain gauge is about
33.
Which of the following instruments is used almost exclusively to measure radio frequency currents?
34.
The coil of a DArsonval galvanometer has N turns. If flux density is B, current is I and area of coil is A, the deflecting torque is
35.
Consider the following statements regarding electromagnetic flowmeter
- AC excitation is used to avoid polarisation of fluid.
- The meter calibration is changed as viscosity of fluid changes.
- Stainless steel pipes can be used for measuring the flow of liquid of high conductivity.
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