Consider the circuits shown below: a V = 66 V battery is connected to R₁ = 40 2, R₂ = 35 02, R₂ = 50, and R4 = 10 2. For the left-side circuit, what is the potential difference between points a and b? R₂ R₂ R₁ ww a www.www b R4 R3 +| R₁ www The potential difference between the points b and a, V₁-Va = Units Select an answer a www.www b R₁ V of Units Select an answer For the right-side circuit, what is the magnitude of the current between points a and b? The current, lab =

Consider the circuits shown below: a V = 102 V battery is connected to R, = 40 0, R2 = 15 N, R3 = 45 0, and R4 = 15 0. For the left-side circuit, what is the potential difference between points a and b? R, R, R1 R, ww ww. LAWM WW b R3 b R4 R3 R4 V V The potential difference, Vab = Units Select an answer For the right-side circuit, what is the current between points a and b? The current, lab= Units |Select an answer

What is the voltage between points a andb (AVab = Vb-Va) if R1 = 4.00 Q, R2 and R3 are unknown, R4=8.00 Q and R5=D4.00 Q, the equivalent resistance of the circuit is 7.34 2, and ɛ = 7.00 V. Pay %3D attention to the sign!

In the circuit below the voltage of the battery is 40 V. C1 = 20.0μF, C₂ = 5.0 μF, C3 = 30.0 μF, C₁ = 30.0 uF. Find the equivalent capacitance in microfarad. Find the voltage for the capacitor C₂. HH HH 30% T TE 1 pts

Three resistors of resistances R1 = 14.8 Ω, R2 = 70.3 Ω, and R3 = 39.7 Ω are connected in parallel. What is the equivalent resistance (Req,p)?

In the circuit shown below, R1 = 3 ohms, R2 = 2 ohms, R3 = 5 ohms, 21 = 4 V, 2 = 10 V, and 3 = 6 V. Find the voltage across a and f, in volts. a b C E₁ + E2 E₂ + \+ 1₁ 1₂ R₁ f R₂ M e દવુ R3 d 13

A cylindrical conductor has resistance of R0 = 120 Ω. It has length L, radius of the cross section r, and resistivity ρ.    Part (a)  Express the resistance in terms of L, r, ρ.  R0 =   P L/π r2  This equation is incorrect      Part (b)  If the resistivity increases by a factor of 3, what would the value of the new resistance be, in ohms?  Rρ =360   Part (c)  If the resistivity was restored to its original value and instead the length of the conductor decreased by a factor of 3, what would the value of the new resistance be, in ohms?  Rl =    Part (d)  If the resistivity and length of the conductor were at their original values and the radius of the conductor increased by a factor of 6, what would be the value of the new resistance, in ohms?  Rr =

Consider an electric diagram in the figure. When the switch in the circuit on the right is open, the voltmeter V reads 3.78 V. When the switch is closed, the voltmeter reading drops to 3.45 V, and the ammeter A reads 8.83 A. What is the battery internal resistance r (in Ω)?

What's the equivalent resistance between A and B if R = 10ohm. The correct answer is R/3+R +R = 4/3R+R = 5.7omh. Need Explanation.

Consider an electrical circuit comprising a battery with voltage V that provides a current I through a resistor network with resistor R1 in series with the parallel combination of R2 and R. Calculate the value of R if: V I R1 R2 2.40E+01 2.40E-01 7.50E+01 5.00E+01   Make sure to express your answer in scientific notation with 2 decimal points.