Three resistors are connected as shown to a battery. The value of the resistors are: R1 = 1.25KΩ R2 = 1.5kΩ and R3 = 3kΩ. The battery voltage is measured to be 45V. (i) What is the equivalent resistance for the circuit? (ii) What is the voltage drop over R2?
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Three resistors are connected as shown to a battery. The value of the resistors are: R1 = 1.25KΩ R2 = 1.5kΩ and R3 = 3kΩ. The battery voltage is measured to be 45V.
(i) What is the equivalent resistance for the circuit?
(ii) What is the voltage drop over R2?
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- A student connects two resistors with unknown resistance values in series, and notes that the equivalent resistance R = 790 0. She then connects the same two resistors in parallel, and measures the equivalent resistance to be Rp = 160 02. What are the resistances (in) of each resistor? smaller resistance larger resistance Q QIn the circuit given below, V= 120 V. Find the node voltages y. v2, and v3. 5 k2 50 V 75 V +. v3 6 A 10 k2 The value of vy is V. The value of v2 is V. The value of v3 is V.Consider the network of four resistors shown in the diagram, where R1 = 1 Ω, R2 = 5 Ω, R3 =2Ω,andR4 =6Ω. . The resistors are connected to a battery with an emf V. (a) What is the current flowing out of the battery if the emf is 12 V? (B) What is the voltage difference across the resistor R1? (C) What is the rate of Ohmic dissipation for resistor R2?
- = 9V and C1 = 4 µF, C2 = 3 µF, C3 = 2 µF, C4 = 4µF. (a) Problem 1: In the circuit below AVbat What is Ceg? Answer: uF. (b) What is Q1, Q2, Q3, Q4? Answers: Q1 = 12 µC, Q2 = 12 µC, Q3 = 4 µC, Q4 = 8 µC. (c) What is AV1, AV2, AV3, AV4? Answers: AV = 3 V, AV2 = 4 V, AV3 = 2 V, AV, = 2 V. C1 C2 AVpat C3 C4Three resistors, R1 = 17.3, R2 = 13.2, R3 = 78, are connected in series across a 16.6 V battery. What is the voltage drop (in Volts) across R1?The drawing shows three different resistors in two different circuits. The battery has a voltage of V = 28 V, and the resistors have resistances of R₁-50.00, R₂-25.002 and R3-10.00. Determine the current through and the voltage across each resistor. R₁ (a) ½₁ = i 12-i √3 = i V₁ = i V2= i V3-i R₁ R₂ R3 R₂ R3 (b) (a)
- Please show stepsI1 = 9 A, I2 = 2 A, I3 = 13 A The total current I in this circuit in Amps is: ______ I1 = 9 A, I2 = 2 A, I3 = 13 A If V = 100 V, find the voltage drop across R1 in V. ______ I1 = 9 A, I2 = 2 A, I3 = 13 A If V = 100 V, find the voltage drop across R2 in V. ______ I1 = 9 A, I2 = 2 A, I3 = 13 A If V = 100 V, find the voltage drop across R3 in V. ______An ECG monitor must have a time constant less than 100 microsecond to be able to measure variations in voltage over small time intervals. If the resistance of the circuit (due mostly to that of the patient’s chest) is 1000 Ohms, what is the maximum capacitance of the circuit? Please submit your answer in units of nanoFarad (nF).
- Consider the circuit shown in the figure. A short time after closing the switch, the charge on the capacitor is 90.0% of its initial charge. Assume the circuit has a time constant of 17.7 s. +Q (a) Calculate the time interval required (in s) for the capacitor to reach this charge. (b) If R = 220 k2, what is the value of C (in uF)? µF Need Help? Read ItConsider the circuit shown in the figure. A short time after closing the switch, the charge on the capacitor is 90.0% of its initial charge. Assume the circuit has a time constant of 17.7 s. +Q C Fe (a) Calculate the time interval required (in s) for the capacitor to reach this charge. (b) If R = 220 k2, what is the value of C (in µF)? µF RI