6.02 4.0 N 12 V 120 3.02 5.0N
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In the circuit below, what is the current flowing through the battery?
Choices:
2.0 A.
2.5 A.
3.0 A.
3.5 A.
4.0 A.
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- The figure below shows a battery connected to a circuit. The potential difference across the battery and the resistance of each resistor is given in the figure. 25.0 V 10.5 Ω 10.5 Ω 4.00 Ω 4.00 Ω 20.0 Ω A rectangular circuit begins at its left side at a 25.0 V battery with the positive terminal on top. From the battery, the circuit extends up and to the right to point b. The circuit continues rightward from point b and splits into three parallel vertical branches. The leftmost branch has a resistor labeled 10.5 Ω, the middle branch has a resistor labeled 4.00 Ω and the rightmost branch, from top to bottom, goes through a resistor labeled 4.00 Ω, point c, and a resistor labeled 20.0 Ω. The three branches recombine, the circuit extends to the left passing through point a, bends upward to a resistor labeled 10.5 Ω and reaches the negative terminal of the battery. (a) What is the magnitude of the potential difference (in V) between points a and b in the circuit? (b) What is the…12. For the circuit shown in the figure, R1 = 18 S2, R2 = 44 52, R3 = 33 52, R4 = 14 2, Rs = 12 S2, Í1 = 0.25 A, I2 = 0.12 A. Find the current through resistor R4, Notice the directions of the currents! A. 0.13A B. 0.25 A C. 0.37 A D. 0.12 A E. 0.03 A R₁ R3 1₁ M R2 412 하면 RA Rs V2 +In the circuit shown, how much voltage is used by D? A E 5.58 V 5.06 V 6.11 V 4.38 V 9V 4500 3500 3000 4002 2502
- If V = 20 V and the battery is ideal, what is the current through R3 in the figure? R₁ = 10 Q2 V L R₁=300 O A. 0.050 A R₂: 20 Ω OB. 1.0 A O C. 0.20 A O D. 4.0 A O E. 8.0 A R3= 20 2Six circuits containing a battery and two or more bulbs are shown here. A. In which circuits are A and B connected in series with each other? 1 2 3 4 5 6 B. In which circuits are A and B connected in parallel with each other? 1 2 3 4 5 6 Bulb A has a resistance of 2 Ω; bulb B has a resistance of 6 Ω; bulb C has a resistance of 5 Ω; the battery has a potential difference of 6 V. C. What are the total resistance Rtot and the current flowing from the battery I in circuit 1?Rtot = ΩI = AA cylindrical metallic wire with a resistance of 12 Ω has a cross-sectional area of 4.0 mm2 and a length of 2.0 m. What is the resistance of another wire made of the same metal that has three times the cross-sectional area and twice the length of the first wire? a. 4.0 Ω b. 5.0 Ω c. 7.0 Ω d. 8.0 Ω e. 6.0 Ω