1)A 165 μF capacitor charged initially to 0.31 mC is connected across a resistor, and 2.0...
1)A 165 μF capacitor charged initially to 0.31 mC is connected across a resistor, and 2.0 s later its charge has dropped to 0.20 mC . Find the resistance.
2)
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A 380 Ω resistor and a 510 Ω resistor are in series. |
Part A When this combination is connected across a 12-V battery, the current is When this combination is connected across a 12- battery, the current is
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3)
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An 18.1 V battery is attached to a 24.1 Ω load, and the resulting current is 664 mA . |
Part A The battery's internal resistance is The battery's internal resistance is
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Homework Answers
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1)A 165 μF capacitor charged initially to 0.31 mC is
connected across a resistor, and 2.0...
A 175 μF capacitor charged initially to 0.31 mC is connected across a resistor, and 2.0...
A 175 μF capacitor charged initially to 0.31 mC is connected across a resistor, and 2.0 s later its charge has dropped to 0.21 mC . Find the resistance. Express your answer to two significant figures and include the appropriate units.
A 50-Ω resistor is connected across a battery, and a 26-mA current flows. When the 50-Ω...
A 50-Ω resistor is connected across a battery, and a 26-mA current flows. When the 50-Ω resistor is replaced with a 23-Ω resistor, a 43-mA current flows. A) What is the battery's voltage? B) What is internal resistance? I need the correct answers to 2 significant figures.
A battery with an emf of 9.75 V is connected to a 67.0 Ω resistor. The...
A battery with an emf of 9.75 V is connected to a 67.0 Ω resistor. The current through the battery is 115 mA. What is the battery's internal resistance (in Ω)? Ω
A 12 μF capacitor is charged to 90 V and is then connected across a...
A 12 μF capacitor is charged to 90 V and is then connected across a 400Ω resistor. Part A: What is the initial current through the capacitor just after it is connected to the resistor? Part B: How much charge remains on the capacitor 4ms after it is connected to the resistor?
A 1.15 μF capacitor, initially charged to 13.5 V , discharges when it is connected in...
A 1.15 μF capacitor, initially charged to 13.5 V , discharges when it is connected in series with a resistor. Part A What resistance is necessary to cause the capacitor to have only 37% of its initial charge 2.00 s after starting? (MΩ ) Part B What is the voltage across the capacitor at t = 5 τ if the capacitor is instead charged by the same battery through the same resistor? (v)
10. A 2.5 μF capacitor is charged to 250 V and then connected across a 1000...
10. A 2.5 μF capacitor is charged to 250 V and then connected across a 1000 Ω resistor. The initial current just after the capacitor is connected to the resistor is a) 0 A c) 0.25 A b) 100 A d) infinity
1. A 577 μF capacitor is discharged through a resistor, whereby its potential difference decreases from...
1. A 577 μF capacitor is discharged through a resistor, whereby its potential difference decreases from its initial value of 81.7 V to 24.1 V in 4.15 s.Find the resistance of the resistor in kilohms. 2. A capacitor of 10.0 μF and a resistor of 120 Ω are quickly connected in series to a battery of 5.00 V. What is the charge Q on the capacitor 0.00200 s after the connection is made? 3. A heart pacemaker fires exactly 6565...
A 3490 - Ω resistor and a 1.7 - μF capacitor are connected in series across...
A 3490 - Ω resistor and a 1.7 - μF capacitor are connected in series across a generator (60.0 Hz, 120 V). Determine the power delivered to the circuit.
A 1.15 μF capacitor, initially charged to 13.5 V , discharges when it is connected in...
A 1.15 μF capacitor, initially charged to 13.5 V , discharges when it is connected in series with a resistor. Part A What resistance is necessary to cause the capacitor to have only 37% of its initial charge 2.00 s after starting? R=?MC
1. A battery having an emf of 9.34 V delivers 116 mA when connected to a...
1. A battery having an emf of 9.34 V delivers 116 mA when connected to a 67.5 Ω load. Determine the internal resistance of the battery. Ω 2.Three 9.4 Ω resistors are connected in series with a 19.0 V battery. Find the following. (a) the equivalent resistance of the circuit Ω (b) the current in each resistor A (c) Repeat for the case in which all three resistors are connected in parallel across the battery. equivalent resistance Ω current in...
10. A 2.5 μF capacitor is charged to 250 V and then connected across a 1000 Ω resistor. The initial current just after the capacitor is connected to the resistor is a) 0 A c) 0.25 A b) 100 A d) infinity
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