the A 1·21-MF Capacitor is connected to a North American electrical outlet. AVrms = 120V, f = 60.0Hz). Assuming energy stored in the Capacitor is Zero at +=0, determine the magnitude & the current in the wires at t = 192 Note: Answer must be in A.
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- Hi, I have a question regarding electromagnetism. The question is as follows: An aluminum rod has a resistance of 1.590 Ω at 20.0°C. Calculate the resistance of the rod at 102°C by accounting for the changes in both the resistivity and the dimensions of the rod. The coefficient of linear expansion for aluminum is 24.0 ✕ 10-6 (°C)−1.The figure below shows a capacitor, with capacitance C = 35.0 μF, and a resistor, with resistance R = 40.0 kn, connected in series to a battery, with = 13.0 V. The circuit has a switch, which is initially open. + R (a) What is the circuit's time constant (in s)? (b) After the switch is closed for one time constant, how much charge (in C) is on the capacitor?In the circuit diagram R1 = 1760 Ω, R2 = 3130 Ω, C1 = 2.9 μF, C2 = 5.7 μF, and ℰ = 12 V. The switch is closed at t = 0. What is the current in A from the battery when t = 1.018 seconds?
- 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 µWA fully charged RC circuit is set up using R = 15.0 Ω and C = 8.20 μF with the switch initially open, as shown in the figure. At a certain time after the switch is closed, the current in the circuit has magnitude 3.00 A and the charge on the capacitor is 30.0 μC. At this time, what is the rate at which energy is being stored in the capacitor (in W)?The capacitor in the circuit shown is fully charged by a 24 V battery. The switch is closed at t = 0. At sometime after the switch is closed, the voltage across the capacitor is measured to be 10 V. What is the current in the circuit at this time, in Ampere? C = 3.0 µF, and R = 2.0 02. 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. Cil
- A student set up the circuit shown for her electronics class. Assuming Ɛ = 7.60 V and R = 4.70 Q, find the following quantities. 12.0 V + 4.00 Ω b 2.00 Ω ww a w R ε (a) the current in the 2.00 2 resistor (Enter the magnitude in mA.) Redraw the circuit, labeling currents, and apply Kirchhoff's rules to determine equations in terms of the given values. Solve your equations for the current in the 2.00-Q resistor. mA (b) the potential difference (in V) between points a and b Vb-Va = Apply Ohm's law and your result from part (a) to calculate your answer. It might help to redraw the circuit so that points a and b are clearly defined junctions. V Need Help? Read ItVoltage (volts) current (mA) 3.00 10.0 6.00 20.0 9.00 29.5 12.00 40.0 1A= 1000 mA Plot a graph of Voltage (y-axis) vs. Current (x-axis.) Draw the straight line of best fit through the points and determine the slope of the line. What is the resistance of the unknown resistor? Answer choices: a) 0.3 ohms b) 30 ohms c) 3 ohms d) 300 ohms e) 333 ohmsProblem 5: A current of I- 2.6 A passes through the circuit shown, where R- 65 3R 5R V) 2R 6R 2R 7R 5R 10R Otheexpertta.com Part (a) In terms of R, I, and numeric values, write an expression for the voltage of the · source, V. Part (b) What is the voltage, V in volts? tan( sin() cotanO a acos cosh0t cosO asin() acotan 4 5 6 sinh() cotanhO *1 23 0 tanh0c O Degrees O Radians CLEAR BACKSPACE