A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.20 MS. After a time of 3.00 s, the voltmeter reads 2.0 V. What is the capacitance of the circuit? Express your answer with the appropriate units. C= Submit Part B μÅ Value Request Answer Units What is the time constant of the circuit? ?
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- Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.where V1 = V2 = 2.00 V. How much work are the batteries in the circuit doing in every 10.0-s time interval?Consider the circuit shown in (Figure 1). Assume E = 15 V. a)What is the charge on 3.0 μFcapacitor? Express your answer with the appropriate units. b)What is the charge on 4.0 μF capacitor? Express your answer with the appropriate units. c)What is the charge on 6.0 μF capacitor? Express your answer with the appropriate units.
- A 6.00 μF capacitor that is initially uncharged is connected in series with a 4600 resistor and a 507 V emf source with negligible internal resistance. Part A Just after the circuit is completed, what is the voltage drop across the capacitor? Express your answer in volts. 195| ΑΣΦ Vc = Submit Part B VR = Submit Just after the circuit is completed, what is the voltage drop across the resistor? Express your answer in volts. Part C Request Answer 20 = Submit VO ΑΣΦ | Request Answer V ? Just after the circuit is completed, what is the charge on the capacitor? Express your answer in coulombs. ΑΣΦ Request Answer ? V ? V C Review | ConstantsIn the circuit shown, two identical 1.5 V batteries (with the positive or high potential ends colored orange) are connected to three identical bulbs, A, B, and C. The current in bulb A is I0.A. What is the current in bulb B? Express your answer as a number multiplied by I0, and enter that number here: _____ × I0B. What is the current in bulb C? Express your answer as a number multiplied by I0, and enter that number here: _____× I0Suppose that each of the bulbs has a resistance of 50 Ω.C. Calculate I0, the current in bulb A.I0 = _______ ampsIn the circuit in (Figure 1) the voltage and current expressions are v = 36e 25t V, t≥ 0; i = 12e 25 mA, Figure C t≥0¹. + VR T 1 of 1 Part A Find R. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) R = Submit Part B μÅ Value Units ? Find C. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s)
- What is the current in the element of an electric clothes dryer with a resistance of 7.4 Ω when it is connected to 240 V? Express your answer to two significant figures and include the appropriate units. I= How much charge passes through the element in 50 min? (Assume direct current.) Express your answer to two significant figures and include the appropriate units. Q=Directions: Solve the problem completely. In an electric circuit, E volts is the electromotive force at t seconds and E = 2 cost. Find the electromotive force from 0 sec. to sec. 7 HINT: use this equation 2 cost dt, to find the electromotive force.In the schematic below two batteries are in series and drive current through the circuit as shown. The first resistor has a voltage drop AV₁ = 1.2 V, the middle resistor has a resistance of R = 64, and the last resistor has a voltage drop AV₂ = 1 V. Given these parameters, what is the magnitude of current flowing through the circuit in milli-amps (mA)? Giver your answer to 3 significant figures. AV, ww 3.0 V 4.5 V ww ΔV, ww R
- A circuit has three resistors (1 Ω, 2 Ω, and 3Ω) connected in series. What is the equivalent resistance of the circuit? Your answer should be in units of Ω but you should only submit the number for your answer.Resistance of 3 and 6 ohms are connected in series with a battery consisting of dry cells of 1.5 voltage each. If the ammeter reads 0.5 ampere, What is the total potential difference supplied by the battery? How many dry cells are in the battery? Using the number of dry cells in b, the system was rearranged so that only 0.167 ampere was flowing through the circuit. Draw a diagram of the system.> Consider the circuit shown in (Figure 1). Suppose that R=7.0 kn. Figure 1.0 μF R R 1 of 1 wwwwww H Q Part A What is the time constant for the discharge of the capacitor? Express your answer with the appropriate units. T= 18 Submit μA Provide Feedback → ms Previous Answers Request Answer ? X Incorrect; Try Again; 3 attempts remaining Re Cons