Calculate the current Iin in the circuit of Figure 5 when the
temperature is 50oC if the resistance
R = 500Ω at 25oC and its resistance increases 0.7Ω per degree
Calculate the current Iin in the circuit of Figure 5 when the temperature is 50oC if...
In the figure circuit section AB absorbs energy at a rate of 49 W when current i = 0.75 A through it is in the indicated direction. Resistance R = 2.0 Ω. (a) What is the potential difference between A and B? Emf device X lacks internal resistance. (b) What is its emf? w *90 B R
In the figure circuit section AB absorbs energy at a rate of 48 W when current i = 1.3 A through it is in the indicated direction. Resistance R = 2.0 Ω. (a) What is the potential difference between A and B? Emf device X lacks internal resistance. (b) What is its emf?
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input...
Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage is 5 V. The resistance R-1000 Ohms. The equation for current through the diode isi 10 9 [op{VANT) - 11 Amperes. Vd is the voltage drop across the diode and Vt is thermal voltage 1) Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage 15V. The resistance R-2000 Ohms. The equation for current through the diode is 19 (exp/Vd/T)...
31. The power delivered by the battery to the external circuit FREE RESPONSE [5 points In common metals, resistance increases as the temperature increases. An electric toaster has a resistance of 120 Ω when hot. a. What current will flow through it when it is connected to 125 V? When the toaster is first turned on, will the current be more or less than during operation? Justify your answer SCORE 50 possi ble points 31. The power delivered by the...
An amplifier circuit using a bipolar transistor is shown in Figure Q5. (a) State, with a valid reason, whether this amplifier is an emitter follower or a common emitter configuration. (b) Redraw Figure Q5 as a large signal equivalent circuit. Show that: (c) Show that the input voltage, vISAT to produce the onset of saturation for T1 is given by: (d), confirm, by calculation, that T1 is in saturation. (e) Calculate the current in the lamp when T1 is in...
Constants Part A The Wheatstone bridge in the circuit is balanced when If the galvanometer has a resistance of 70 Ω, how much current will the galvanometer detect, when the bridge is unbalanced by setting R3 to 501 2? Take v 10 V. (Hint: Find the Thévenin equivalent with respect to the galvanometer terminals when R3 501 Ω. Note that once we have found this Thévenin equivalent, it is easy to find the amount of unbalanced current in the galvanometer...
The current in a single-loop circuit with one resistance R is 7.3 A. When an additional resistance of 2.2 Ω is inserted in series with R, the current drops to 5.9 A. What is R?
The current in a single-loop circuit with one resistance R is 7.2 A. When an additional resistance of 3.0 Ω is inserted in series with R, the current drops to 4.7 A. What is R?
The current in a single-loop circuit with one resistance R is 6.7 A. When an additional resistance of 2.8 Ω is inserted in series with R, the current drops to 5.36 A. What is R?