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In the llustrated circuit suppose that the ammeter how big an efflect does t internal resistance...
A cell with emf 15V and internal resistance 5.60 is connected in series to an ammeter...
A cell with emf 15V and internal resistance 5.60 is connected in series to an ammeter and a 0-3.9M2 variable resistor. A voltmeter is connected across the terminals of the cell a) Sketch the circuit diagram b) Describe how this circuit can be used to obtain a value for the emf of the cell c) Sketch and label thegraph d) Calculate the terminal voltage when a current of 87.9mA is measured by the ammeter e) Calculate the load resistance when...
A circuit contains a 100-Ω resistor and a 48.0-V battery. An ammeter is inserted into the...
A circuit contains a 100-Ω resistor and a 48.0-V battery. An ammeter is inserted into the circuit to measure the current and has an internal resistance of 0.50 Ω. What is the voltage drop across the ammeter terminals?
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as show...
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as shown below 1 50 kΩ 220HF A stopclock is started and after 10 seconds the switch S is closed Ammeter readings are noted at regular intervals until a time of 80s is shown on the stopclock. The graph below shows how the current in the...
In the circuit shown in the following figure both batteries have insignificant internal resistance and the...
In the circuit shown in the following figure both batteries have insignificant internal resistance and the idealized ammeter reads 1.00 A in the direction shown. (Assume R_1 = 47.0 ohm.) A 4.55-muF capacitor that is initially uncharged is connected in series with a 7.90-kohm resistor and an emf source with e = 120 V and negligible internal resistance. Just after the circuit is completed, what is the voltage drop across the capacitor? Just after the circuit is completed, what is...
Explain For the circuit shown in the Figure 3, R is 12.0 ? and the ammeter...
Explain
For the circuit shown in the Figure 3, R is 12.0 ? and the ammeter reads 0.25 A 11. What is the reading of the voltmeter 12. 15.0 12, What is the voltage across the 15.0 ? resistor? Figure 3 13. If the emf of the battery is 9V, what is the internal resistance of the battery? .2S 14. Calculate the total power that dissipates in this circuit. extenal 15, which one, if either, does dissipate most power: the...
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...
A battery with E = 12.0 V and internal resistance r=1.2Ω is connected to two 8.5-kΩ...
A battery with E = 12.0 V and internal resistance r=1.2Ω is connected to two 8.5-kΩ resistors in series. An ammeter of internal resistance 0.30 Ωmeasures the current, and at the same time a voltmeter with internal resistance 17 kΩ measures the voltage across one of the 8.5-kΩ resistors in the circuit. What does the ammeter read? What does the voltmeter read? What is the % "error" from the current without meters? What is the % "error" from the voltage...
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
Pre-Lecture Question 11 To answer this question, first click here to view the associated viden A...
Pre-Lecture Question 11 To answer this question, first click here to view the associated viden 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? 5.6 mA 1.205 A 4.7 mA 0 A A circuit contains...
1. How is a voltmeter inserted in a circuit in order to measure voltage? 2. How...
1. How is a voltmeter inserted in a circuit in order to measure voltage? 2. How is an Ammeter inserted into a circuit to measure current? 3. What does a voltmeter represent in a circuit? What is the significance of this? esi 4. If resistance is increased and current is constant, what happens to voltage at that r 5. If the current through a resistor is increased, what happens to voltage drop at that resistor? 6. What is the relationship...
A cell with emf 15V and internal resistance 5.60 is connected in series to an ammeter and a 0-3.9M2 variable resistor. A voltmeter is connected across the terminals of the cell a) Sketch the circuit diagram b) Describe how this circuit can be used to obtain a value for the emf of the cell c) Sketch and label thegraph d) Calculate the terminal voltage when a current of 87.9mA is measured by the ammeter e) Calculate the load resistance when...
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as shown below 1 50 kΩ 220HF A stopclock is started and after 10 seconds the switch S is closed Ammeter readings are noted at regular intervals until a time of 80s is shown on the stopclock. The graph below shows how the current in the...
In the circuit shown in the following figure both batteries have insignificant internal resistance and the idealized ammeter reads 1.00 A in the direction shown. (Assume R_1 = 47.0 ohm.) A 4.55-muF capacitor that is initially uncharged is connected in series with a 7.90-kohm resistor and an emf source with e = 120 V and negligible internal resistance. Just after the circuit is completed, what is the voltage drop across the capacitor? Just after the circuit is completed, what is...
Explain
For the circuit shown in the Figure 3, R is 12.0 ? and the ammeter reads 0.25 A 11. What is the reading of the voltmeter 12. 15.0 12, What is the voltage across the 15.0 ? resistor? Figure 3 13. If the emf of the battery is 9V, what is the internal resistance of the battery? .2S 14. Calculate the total power that dissipates in this circuit. extenal 15, which one, if either, does dissipate most power: 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
Pre-Lecture Question 11 To answer this question, first click here to view the associated viden 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? 5.6 mA 1.205 A 4.7 mA 0 A A circuit contains...
1. How is a voltmeter inserted in a circuit in order to measure voltage? 2. How is an Ammeter inserted into a circuit to measure current? 3. What does a voltmeter represent in a circuit? What is the significance of this? esi 4. If resistance is increased and current is constant, what happens to voltage at that r 5. If the current through a resistor is increased, what happens to voltage drop at that resistor? 6. What is the relationship...
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