A 1 000 Ω R 30.0 V Δν : 2 000 Ω R 20.0 V

A heart pacemaker fires exactly 71 times a minute. Each time it fires, a 19.0 nF capacitor is charged by a battery in series with a resistor to 0.582 of its full voltage. What is the value of the resistance R? R =

In the figure the ideal batteries have emfs E1 = 4,89 V and E2 = 10.2 V, the resistances are each 2.41 Q, and the potential is defined to be zero at the grounded point of the circuit. What are potentials (a)V1 and (b)V2 at the indicated points? R. R3 Units (a) Number Units (b) Number

E2 R1 R2 2. Find the charge on the capacitor after the switch has been left open for some time, then closed for some period of time. We can assume that C = 2 µF, with batteries of values E1 R2 = 0.25 N. 2V and E2 =1V, and resistor values R1 = 0.5 N and S

The drawing shows three different resistors in two different circuits. The battery has voltage of V = 26V, and the resistors have resistances of R one = 50.0, 2 = 25.0 and 3 = 10.0 determine the current through the voltage across each resistor. For circuit you’ll have six parts to the answer: l1,l2,l3, V1, V2, V3. For circut B you will have 6 parts to the answer: l1, l2, l3, V1, V2, V3. 

In 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.

QU5 a). A circuit consist of five resistors connected as below, determine the effective resistance in the circuit. R3 R5 R2 R4 Given that R1, R2,R3,R4 and R are given respectively as 500, 250, 300, 600 and 700Q, what is the current in the circuit if the potential across the resistors is 24 V?

In the given circuit, 12 = 30 A, 13 = 12 A. What is the current through the battery, in Amperes? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. R₂ R₁ 12 R3

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)

a) From the graph, determine the emf (ϵϵ) of the battery. b) From the graph, determine the internal resistance (r) of the battery.