A cell drives a current of 396 mA through a 60.0 Ω resistor. When a 40.0...
A cell drives a current of 396 mA through a 60.0 Ω resistor. When a 40.0 Ω resistor is connected in parallel with the 60.0 Ω resistor the total current through the circuit increases to 974 mA. Calculate the internal resistance of the cell.
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A cell drives a current of 396 mA through a 60.0 Ω resistor.
When a 40.0...
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.
Two resistors, 38.0 Ω and 40.0 Ω, are connected in parallel. The current through the second...
Two resistors, 38.0 Ω and 40.0 Ω, are connected in parallel. The current through the second resistor is 3.00 A. (a) Determine the current in the first resistor? (b) What is the total power supplied to the two resistors?
Consider a circuit containing a 24 V battery and a 15 Ω resistor. We want to...
Consider a circuit containing a 24 V battery and a 15 Ω resistor. We want to mesure the current in the circuit with an ammeter of internal resistance 3 mΩ and the voltage drop across the resistor with a voltmeter having an internal resistance of 100 kΩ. a. How should be the ammeter connected (series or parallel)? b. How should be the voltmeter connected (series or parallel)? c. Draw a schematic of the circuit d. Calculate the current across the...
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...
Part 1- Calculating the current through the resistor A 59-Ω resistor in a circuit has a...
Part 1- Calculating the current through the resistor A 59-Ω resistor in a circuit has a voltage difference of 8 V across its leads. Calculate the current through the resistor. The current through the resistor is ____ A. Part 2- Suppose that the appliances connected to a household circuit were connected in series rather than parallel. What disadvantage would there be to this arrangement? Multiple Choice A- should one appliance fail, the whole system would be down B- every time...
A 44.5 Ω resistor and a 93.7 Ω resistor are connected in parallel, and the combination...
A 44.5 Ω resistor and a 93.7 Ω resistor are connected in parallel, and the combination is connected across a 120 V dc line. A) What is the resistance of the parallel combination? Express your answer in ohms to three significant figures. B)What is the total current through the parallel combination? Express your answer in amperes to three significant figures. C)What is the current through the 44.5 Ω resistor? Express your answer in amperes to three significant figures. D)What is...
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 voltmeter has an internal resistance of 10 000 Ω and is used to measure the...
A voltmeter has an internal resistance of 10 000 Ω and is used to measure the voltage across a 47.0-Ω resistor that, without the voltmeter connected, has a current of 1.20 A pass through it. How much current is drawn away from the circuit by the voltmeter when it is connected across the resistor? 4.7 mA 5.6 mA 1.205 A 0 A
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
A 4.00-Ω resistor, an 8.00-Ω resistor, and a 24.0-Ω resistor are connected together. (a) What is...
A 4.00-Ω resistor, an 8.00-Ω resistor, and a 24.0-Ω resistor are connected together. (a) What is the maximum resistance that can be produced using all three resistors? (b) What is the minimum resistance that can be produced using all three resistors? (c) How would you connect these three resistors to obtain a resistance of 10.0 Ω? (d) How would you connect these three resistors to obtain a resistance of 8.00 Ω? Draw a circuit diagram • Label all the circuit...
A voltmeter has an internal resistance of 10 000 Ω and is used to measure the voltage across a 47.0-Ω resistor that, without the voltmeter connected, has a current of 1.20 A pass through it. How much current is drawn away from the circuit by the voltmeter when it is connected across the resistor? 4.7 mA 5.6 mA 1.205 A 0 A
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
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