Consider the circuit shown in the figure below. (Assume R1 = 12.0 Ω, R2 = 2.40 Ω, and V = 7.25 V.) (a) What is the voltage drop across the R2 resistor? V (b) Subtracting the result of part (f) from the battery voltage, find the voltage across the 3.00-Ω resistor. V (c) Calculate the current in the 3.00-Ω resistor.

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.

a) What is the terminal voltage (in V) of a large 1.35 V carbon-zinc dry cell used in a physics lab to supply 1.80 A to a circuit, if the cell's internal resistance is 0.300 Ω?  b) How much electrical power (in W) does the cell produce? and c) What power (in W) goes to its load?

A 3.00-MΩ resistor and a 4.00-μF capacitor are connected in series with a power supply. 1)What is the time constant for the circuit? (Express your answer to three significant figures.)

Consider the circuit shown in the figure below, where R1 = 5.00 Ω, R2 = 9.00 Ω, and 3 = 11.0 V. (a) Find the voltage (in V) across R1. (b) Find the current (in A) in R1.

The circuit of the figure shows a capacitor, two ideal batteries, two resistors, and a switch S. Initially S has been open for a long time. If it is then closed for a long time, what is the change in the charge on the capacitor? Assume C = 41 μF, 81 = 4.1 V, 82 = 5.3 V, R₁ = 0.520, and R₂ = 0.45 0. Number ap Units R₁ C R₂ www

An ECG monitor must have a time constant less than 100 microsecond to be able to measure variations in voltage over small time intervals. If the resistance of the circuit (due mostly to that of the patient’s chest) is 1000 Ohms, what is the maximum capacitance of the circuit? Please submit your answer in units of nanoFarad (nF).

Consider the circuit shown in the figure below. (Let R1 = 7.00 Ω, R2 = 3.00 Ω, and  = 11.0 V) (a) Find the voltage across R1.(b) Find the current in R1.