2a) Three resistors: 1.00×10? 0, 2.50 kN, and 4.00 kN are connected in series, what is this circuit's equivalent resistance?
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- ach of the circuits below consists of identical batteries and resistors. All of the switches are closed at the same time. A F a, Rank the circuits on the basis of their total resistance. Largest 1. 2. 3. 4. 5. 6. Smallest The ranking cañnot be determined based on the information provided. b. Rank the circuits.on the basis of the elapsed time before the battery "dies". Largest 1. 2. 3. 4. 5. 6. Smallest The ranking cannot be determined based on the information provided. Explain the reasons for your rankings:2a) What is the equivalent resistance if all three resistors are connected in parallel across the 12 Volt battery? 2b) What is the current through the battery when the 2c) What is the current through the 20 resistor resistors are connected in parallel? when the resistors are connected in paralleľ?6. An electrical circuit is shown below. The battery supplies 15 V. The resistances have the following values: R₁= 30 Ω, R₂ = 40 Ω, R3 = 20 Ω . (a) Calculate the replacement resistance of the three resistors. (b) Calculate the total current through the circuit, and the current through the respective resistor (c) If the lower right corner is grounded, then calculate the potentials at points A and B. (d) If the current is interrupted at point C, what will be the potentials at A and B.
- 3. In the circuit below, both batteries have insignificant internal resistance. 9 Ω R 3 A 36 V (a) Find the unknown resistance R. (b) Find the unknown emf E. 3 Ω E |+ 202 }6n 5 A1) For a circuit shown in Figure, (a) find the currents I,, I,, and I,. (b) find the potential difference between points a and b. (c) find the power on 8 N. 4Ω 7 V b a 3 V 8Ω 4Ω