The figure below shows a simple RC circuit with a 3.50-µF capacitor, a 2.60-MQ resistor, a 9.00-V emf, and a switch. What are the following exactly 9.00 s after the switch is closed? R (a) the charge on the capacitor (b) the current in the resistor HA (c) the rate at which the capacitor is storing energy pw (d) the rate at which the battery is delivering energy pw

In the RC circuit in the figure, R = 4 k ohms is given. As the circuit switch is turned offThe current read by the ammeter shown changes depending on the time as in the table.a) Draw the time-dependent graph of the current and find the time constant of the circuit using the graph.b) Calculate the capacitance value of each capacitor.c) Calculate the emf of the power supply.d) The load of the capacitor is qmax long after the switch is turned off and the loading process is started.calculate.

A cook plugs a 400 W crockpot and a 1000 W kettle into a 240 V power supply, all operating on directc When we compare the two, we find that Select one: a. I crockpot > I kettle and Rcrockpot = R kettle. b. I Crockpot = I Kettle and R Crockpot = R %3D %3D Kettle. c. I crockpot R kettle. d. I Crockpot > I Kettle and R Crockpot < R kettle.

The values of the components in a simple series RC circuit containing a switch and an initially uncharged capacitor (see figure below) are C = 1.50 µF, R = 2.30 MN, and E = 10.0 V. R (a) the charge on the capacitor... ...a long time after the switch is closed 900 = ..4.1 s after the switch is closed q = (b) the current in the resistor... ...immediately after the switch is closed In = HA ..4.1 s after the switch is closed I = HA ... a long time after the switch is closed I, = (c) The rate at which energy, 4.1 s after the switch is closed, is... ...being dissipated in the resistor Presistor = ...being stored in the capacitor Рсаpаcitor %3D µW

Consider the arrangement shown in the figure below where R = 7.00 , l = 1.10 m, and B = 2.25 T. HINT R xx xxxx x xx x x x x xxxxxx xx xxxxxx x x xxx x xxxxxx xxxx xx (b) What power (in W) is delivered to the resistor? W tea B Fapp (a) Apply the motional emf equation in combination with Ohm's law. (b) Recall the expressions for the power delivered to a resistor. (c) Apply the expression for the magnetic force on a current-carrying wire. (d) Recall the expression P = Fv. Click the hint button again to remove this hint. (a) At what constant speed (in m/s) should the bar be moved to produce a current of 1.40 A in the resistor? m/s (c) What magnetic force (in N) is exerted on the moving bar? (Enter the magnitude.) N (d) What instantaneous power (in W) is delivered by the force Fapp on the moving bar? W

Consider a series RC circuit as in the figure below for which R = 7.20 MM, C = 7.50 μF, and = 31.0 V. S S + E R (a) Find the time constant of the circuit. (b) Find the maximum charge on the capacitor after the switch is thrown closed. μC (c) Find the current in the resistor 10.0 s after the switch is closed. μА

b. About how many time constants does it take to charge a capacitor in an RC circuit to 50% of its maximum value?

B1

Consider a series RC circuit as in the figure below for which R = 6.40 M2, C = 1.60 µF, and Ɛ = 25.5 V. R (a) Find the time constant of the circuit. (b) Find the maximum charge on the capacitor after the switch is thrown closed. µC (c) Find the current in the resistor 10.0 s after the switch is closed. µA

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