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The input impedance of op-amp circuit in the figure below is 100 k 10 k 10 k a. 10 K ohm О b. 110 К ohm O C Infinity O d. 120 Kohm

The input impedance of op-amp circuit in the figure below is 100 k 10 k 10 k a. 10 K ohm О b. 110 К ohm O C Infinity O d. 120 Kohm

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
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The input impedance of op-amp circuit in the figure below is 100 k 10 k 10 k a. 10 K ohm О b. 110 К ohm O C Infinity O d. 120 Kohm
Transcribed Image Text:The input impedance of op-amp circuit in the figure below is 100 k 10 k 10 k a. 10 K ohm О b. 110 К ohm O C Infinity O d. 120 Kohm
The resistances of the various arms of Wheatstone bridge are P = 500 ohm, Q = 50 ohm, R = 1010 ohm and S = 100 ohm. The emf of the battery is 5 V and the current sensitivity of galvanometer is 8 mm / µ A. If the internal resistance of the galvanometer is 80 ohm then the deflection of galvanometer and the sensitivity of the bridge in terms of deflection per unit change of resistance are G R O a. 151.2 mm, 30.24 mm / ohm b. 193 mm, 20.74 mm / ohm O C. 100 mm, 21.03 mm / ohm Od. 186 mm, 40.37 mm / ohm An introduction of dielectric inside the capacitor O a. Increases the capacitance b. Increase the size of the capacitor O c. Reduces the mechanical voltage d. Reduces the breakdown voltage
Transcribed Image Text:The resistances of the various arms of Wheatstone bridge are P = 500 ohm, Q = 50 ohm, R = 1010 ohm and S = 100 ohm. The emf of the battery is 5 V and the current sensitivity of galvanometer is 8 mm / µ A. If the internal resistance of the galvanometer is 80 ohm then the deflection of galvanometer and the sensitivity of the bridge in terms of deflection per unit change of resistance are G R O a. 151.2 mm, 30.24 mm / ohm b. 193 mm, 20.74 mm / ohm O C. 100 mm, 21.03 mm / ohm Od. 186 mm, 40.37 mm / ohm An introduction of dielectric inside the capacitor O a. Increases the capacitance b. Increase the size of the capacitor O c. Reduces the mechanical voltage d. Reduces the breakdown voltage
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