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The differential amplifier is connected as shown in the figure(b) above to a single strain gage bridge. Let the strain gage resistance vary around its no load resistance R by ±1%. GATE-Instrumentational-Engineering-20131 AnswerSemiconductor strain gages typically have much higher gage factors than those of metallic strain gages, primarily due to: GATE-Instrumentation-Engineering-20141 AnswerIn the transistor circuit as shown below, the value of resistance E R in k Ω is approximately, GATE-Instrumentational-Engineering-20131 AnswerAn electric lamp of 100 Ω, a toaster of resistance 50 Ω, and a water filter of resistance 500 Ω are connected in parallel to a 220 V source. What is the resistance of an electric iron connected to the same source that takes as much current as a1 AnswerAn electric lamp, whose resistance is 20 Ω, and a conductor of 4 Ω resistance are connected to a 6 V battery. Calculate (a) the total resistance of the circuit, (b) the current through the circuit, and (c) the potential difference acr1 AnswerThe resistance and inductance of an inductive coil are measured using an AC bridge as shown in the figure. The bridge is to be balanced by varying the impedance Z2. GATE-Instrumentation-Engineering-20141 AnswerA hot plate of an electric oven connected to a 220 V line has two resistance coils A and B, each of 24 Ω resistance, which may be used separately, in series, or in parallel. What are the currents in the three cases? -CBSE Physics 1 AnswerA long-channel NMOS transistor is biased in the linear region with 𝑉𝐷𝑆=50 mV and is used as a resistance. Which one of the following statements is NOT correct? Gate-20161 AnswerA source vs (t) = V cos100πt=π has an internal impedance of (4+j3)Ω. If a purely resistive load connected to this source has to extract the maximum power out of the source, its value in Ω should be GATE-Instrumentational-Engineering-20131 AnswerAssuming its differential gain to be 10 and the op-amp to be otherwise ideal, the CMRR is GATE-Instrumentational-Engineering-20131 AnswerHow does the resistance of a wire vary with its area of cross-section?. -CBSE Physics 1 AnswerA meter bridge is set-up as shown, to determine an unknown resistance ‘X’ using a standard 10 ohm resistor. The galvanometer shows null point when tapping-key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determined value of ‘X’ is - jee main 2012 physics 1 AnswerThe channel resistance of an N-channel JFET shown in the figure below is 600 Ω -gate-ece-20111 AnswerThe channel resistance of an N-channel JFET shown in the figure below is 600 Ω -gate-ece-20111 AnswerAs compared to the engineering stress-engineering st rain curve, the true stress-true strain curve for a given material, GATE- Metallurgical Engineering- 20131 AnswerThe transfer function V2(s))/V1(s) of the circuit shown below is GATE-Instrumentational-Engineering-20131 AnswerFill in the blanks GATE-Instrumentation-Engineering-20141 AnswerTwo metallic wires A and B of the same material are connected in parallel. Wire A has length l and radius r, wire B has a length 2l and radius 2r. Compute the ratio of the total resistance of parallel combination and the resistance of wire A. -CBSE p1 AnswerIn the circuit shown below the op–amps are ideal. Then Vout in volts is GATE-Instrumentational-Engineering-20131 AnswerThe type of partial differential equation given below is GATE-Instrumentational-Engineering-20131 Answer