In the circuit in the figure, find the electric current flowing through the 4 Ω resistor. a) 0.4 A b) 0 A c) 0.2 A d) 2.5 A
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In the circuit in the figure, find the
a) 0.4 A
b) 0 A
c) 0.2 A
d) 2.5 A
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- In the circuit below, V = 48 volts, R1 = 5.0 Ω, R2 = 4.0 Ω, R3 = 12 Ω, and R4 = 8.0 Ω. What is the current through R4? a. 4.0 A b. 5.0 A c. 2.0 A d. 6.0 A e. 3.0 AWhat is the equivalent resistance of a the following 3 resistors: R1 = 12 Ohms R2 = 14 Ohms R3 = 95 Ohms In this circuit, R1 and R3 are connected in parallel, and then connected to R2 in series, as shown below:Which equation is a correct version for the electric power P that a circuit delivers to a resistor? A) P = R/V B) P = VR C) P = V^2/R D) P = V/R
- 2) The circuit shown contains the following three resistors wired to a 6 V battery: R₁ = 652 R₂ = 852 R3 = 492 a) Calculate the equivalent resistance of the circuit. (2) b) Calculate the voltage across R3. (2) www R₁ Page 2 R₂ R3What is the equivalent resistance for the resistors in the figure above? a 7.5 Ω b 1.3 Ω c 3.0 Ω d 2.2 ΩConsider the circuit below. The battery has emf 80.0 V, R1=40 ohms, R2= 20 ohms and L= 5.0 mH. Initially the switch is open and no currents are flowing. What is the current through the battery immediately after the switch is closed? a) zero b) 1.3 A c) 2.0 A
- In the series RC circuit shown below, the current through the resistor is decreasing with time. If that is true, what is happening to the charge on the capacitor as time goes on? a) The charge is increasing b) the charge remains constant c) the charge is decreasing d) need more informationThe voltage drop from a to b is 82 V. a) Calculate the equivalent resistance of the circuit b) How much current is flowing through R1? c)How much current is flowing through R5? d)How much current is flowing through R2? e) What is the voltage across R4?What is the equivalent resistance in the circuit shown in the figure? R = 10 Ω 55 Ω 35 Ω 80 Ω 50 Ω R, 20 Ω R1 = 30 Ω w R, = 20 Ω