Electronics and Communication Engineering - Electronic Devices and Circuits
Exercise : Electronic Devices and Circuits - Section 8
- 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
21.
Two resistances are R1 = 36 ± 5% and R2 = 75 ± 5%. If they are connected in parallel, the limiting error in percent will be
22.
For critical damping, the resistance in D'Arsonval galvanometer circuit should be equal to
23.
An ac bridge uses galvanometer as detector.
24.
In figure, the reading of wattmeter will be proportional
25.
Consider the following statements about mutual inductances:
- The value should remain constant under all conditions.
- The mutual inductance should not vary with temperature.
- The inductance should be independent of excitation.
- They have two coils wound on a bobbin of hard magnetic material, coils being separated by a range.
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