Now take ɛ = 15V, C = 20 µF, and R = 4.0 X10N and charge the capacitor in the RC circuit. (4) What is the equation of the current as a function of time? (5) What is the maximum current? (6) What is the equation of the charge on the capacitor as a function of time?
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- Given that E= 12.0 V, R₁ = 1.00 S2, R₂ = 2.00 S2, R3 = 3.00 S2, and R4 = 4.00 2, calculate the following: (a) the equivalent resistance of the circuit, (b) the power supplied to the circuit by the EMF, (c) the voltage across R3 and (d) the current through R4. Include the reduced circuit diagrams for this situation. R₁ E ww/h www www R₂ RA Rg: wwwA 1.0 mF capacitor with an initial stored energy of 0.50 J is discharged through a 1.0 M resistor. (a) What is the initial charge on the capacitor? (b) What is the current through the resistor when the discharge starts? Find an expression that gives, as a function of time t, (c) the potential difference VC across the capacitor, (d) the potential difference VR across the resistor, and (e) the rate at which thermal energy is produced in the resistor.Problem 4: The charge on a capacitor in a circuit is given by q(t) = qmax cos(wt + q) Enter an expression for the current flowing into the capacitor as a function of time. I(t) = 1
- Problem 16: (5% of Assignment Value) Consider the circuit shown, where V₁ = 1.9 V, V₂ = 2.40 V, R₁ = 1.45 k2, R2 = 2.3 kQ, and R3 = 1.5 ΚΩ. Part (a) What is the current through resistor R₁ in milliamperes? = mA sin() cos() tan() πο cotan() asin() acos() E^^ atan() acotan() sinh() cosh() tanh() cotanh() + 000 A *** 4 5 9 HOME 6 1 2 3 0 8 END O Degrees Radians VO BACKSPACE DTIL CLEAR Submit Hint Feedback I give up! 3 Submission(s) Remaining Hints: 4% deduction per hint. Hints remaining: Feedback: 5% deduction per feedback. Part (b) What is the current through resistor R2 in milliamperes? Part (c) What is the power dissipated in resistor R3 in milliwatts? Part (d) What is the total power in milliwatts delivered to the circuit by the two batteries? V₁ R₂ www(a) In the figure what value must R have if the current in the circuit is to be 1.1 mA? Take ɛ1 = 3.0 V, ɛ2 = 4.3 V, and r1 = r2 = 3.5 Q. (b) What is the rate at which thermal energy appears in R? R (a) Number Units (b) Number UnitsA 6-mF capacitor is charged to 12 V and then connected across a 100 W resistor. Find (a) The initial charge on the capacitor (b) The initial current through the resistor (c) The time constant (d) The charge on the capacitor after 3 ms
- A circuit shown in Fig.3, has three resistances R1=600, R2=300 and R3=200, an internal resistance r=402 and battery 120V.Use this circuit to answer the question: What is the ratio of current 11 in resistance R1 to the current 12 in resistance R2? 13 R3 41 R₁ 011/12 =1/3 011/12 = 1/2 011/12 = 2/3 011/12 = 2/1 ارسال الاجابة 12↓ R₂ Fig.3 www.An uncharged capacitor and a resistor are connected in series to a source of emf. If Ɛ = 12.00 V, C = 15.0 µF, and R = 100 N, find the following: %3D (a) the time constant of the circuit S (b) the maximum charge on the capacitor (c) the charge on the capacitor after one time constantA fully charged capacitor with capacitance of C= 80 uF is being discharged. If the total electric resistance of the circuit is 24.0 k and the initial voltage of capacitor is V=10 V, then: a) How long does it take for the capacitor to discharge by 70%? b) Calculate the energy lost from the capacitor by this time? c) Calculate the heat energy produced in the resistor by this time. d) Are the values of energies in parts c and d expected to be the same? Explain.
- dv + 5v = 10B(t), dt v(0) = 0 %3D For this problem we are just going to look at the equation for the battery. A fully charged battery when connected to the circuit at time zero have a voltage source equation B(t) = 10e-0.5t %3D b. Our battery is off until one second then connects for one second, then is off for one second and does not recharge (it just retains the voltage it had when it was removed from the circuit) and then is turned on for one second, then it turned off for good. Give the function for the battery voltage in the circuit using the Heaviside function and the exponential function. B2(t) =A student performs a lab where the voltagedrop across a resistor is measured as a functionof current. Plot a graph from the values givenin the following table, and determine theresistance of the circuit. Current, I (mA) Potential Difference, Current, I (mA)V (V)0.00 0.00200 9.00400 16.0600 24.0800 31.01000 40.0The 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