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QUESTION 3 To investigate the emf, E and the internal resistance, r of the emf, E...
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 battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its...
A battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its terminals are connected to a load resistance of 3.00 . Circuit diagram of a source of emf (in this case, a battery), of internal resistance r, connected to an external resistor of resistance R. for ning R (a) Find the current in the circuit and the terminal voltage of the battery. SOLUTION Conceptualize Study the figure, which shows a circuit consistent with the problem...
Consider a series circuit containing a resistor of resistance R and a capacitor of capacitance C connected to a source of EMF ε with negligible internal resistance.
Consider a series circuit containing a resistor of resistance R and a capacitor of capacitance C connected to a source of EMF ε with negligible internal resistance. The wires are also assumed to have zero resistance. Initially, the switch is open and the capacitor discharged. (Figure 1)Immediately after the switch is closed, what is the voltage
across the resistor?Immediately after the switch is closed, what is the direction of
the current in the circuit?
Consider a series circuit containing a resistor of resistance R and a capacitor of capacitance C connected to a source of EMF E with negligible internal resistance.
Consider a series circuit containing a resistor of resistance R and a capacitor of capacitance C connected to a source of EMF E with negligible internal resistance. The wires are also assumed to have zero resistance. Initially, the switch is open and the capacitor discharged. (Figure 1)A Immediately after the switch is closed, what is the voltage across the capacitor?B Complete previous part(s) C Immediately after the switch is closed, what is the direction of the current in the circuit? E Eventually,...
SERIES AND INTERNAL RESISTANCE SECTION PAGE BULB V DATA AND ANALYSIS: PART I Emf, Resistance and...
SERIES AND INTERNAL RESISTANCE SECTION PAGE BULB V DATA AND ANALYSIS: PART I Emf, Resistance and Power 1. Record all measurements in the table below. CELL Em POTENTIAL DIFFERENCES CURRENT AND VR 1 NO. ) Total Voltage) (vi) ( 12 ) Amiр 1 1101 5.6 V aha 5.3 V 2.25 V 0.018 Amp 2 2300 2001 5.6 V 5.0 V 3.5 V 3.0 V 0.007 Amp 2. Calculate the internal resistance of the cells using Equation 1. Trial 1 |...
If I is the current in the external resistor R and r is the internal resistance...
If I is the current in the external resistor R and r is the internal resistance of the cell, the equation for the whole circuit is: E = I(R + r) …….(i) For the same current in the external resistor R, the terminal voltage is given by: V = IR …….(ii) Use equations (i) and (ii) to solve for r by eliminating I and write this equation the form: y = mx + b Identify...
In the circuit shown below the ammeter consists of a galvanometer, with resistance Rg = 100...
In the circuit shown below the ammeter consists of a
galvanometer, with resistance Rg = 100 Ω, in parallel with a
‘shunt’ resistor, Rs = 2.00 Ω. The current, Ig, flowing through the
galvanometer is 22.1 mA. The external circuit resistance is Rc =
20.0 Ω. If the EMF of the cell is 25.0 V, what is its internal
resistance?
EMF 25.0 V A )ammeter
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...
Need help with physics problem. A battery with an internal resistance of r and an emf...
Need help with physics problem. A battery with an internal resistance of r and an emf of 10.00 V is connected to a load resistor R = r. As the battery ages, the internal resistance triples. How much is the current trough the load resistor reduced? Explain.
Problem 3 a) A battery with an emf of 6.00 V has an internal resistance r....
Problem 3 a) A battery with an emf of 6.00 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 5.90 V and the current is 0.110 A What is the value of the external resistor R? Submit Answer Tries 0/6 b) What is the internal resistance r of the battery? Submit Answer Tries O/6 c) What is the energy dissipated in the battery's internal resistance in 3.00 minutes? Submit AnswerTries 0/6 Due in...
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 battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its terminals are connected to a load resistance of 3.00 . Circuit diagram of a source of emf (in this case, a battery), of internal resistance r, connected to an external resistor of resistance R. for ning R (a) Find the current in the circuit and the terminal voltage of the battery. SOLUTION Conceptualize Study the figure, which shows a circuit consistent with the problem...
SERIES AND INTERNAL RESISTANCE SECTION PAGE BULB V DATA AND ANALYSIS: PART I Emf, Resistance and Power 1. Record all measurements in the table below. CELL Em POTENTIAL DIFFERENCES CURRENT AND VR 1 NO. ) Total Voltage) (vi) ( 12 ) Amiр 1 1101 5.6 V aha 5.3 V 2.25 V 0.018 Amp 2 2300 2001 5.6 V 5.0 V 3.5 V 3.0 V 0.007 Amp 2. Calculate the internal resistance of the cells using Equation 1. Trial 1 |...
In the circuit shown below the ammeter consists of a
galvanometer, with resistance Rg = 100 Ω, in parallel with a
‘shunt’ resistor, Rs = 2.00 Ω. The current, Ig, flowing through the
galvanometer is 22.1 mA. The external circuit resistance is Rc =
20.0 Ω. If the EMF of the cell is 25.0 V, what is its internal
resistance?
EMF 25.0 V A )ammeter
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...
Problem 3 a) A battery with an emf of 6.00 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 5.90 V and the current is 0.110 A What is the value of the external resistor R? Submit Answer Tries 0/6 b) What is the internal resistance r of the battery? Submit Answer Tries O/6 c) What is the energy dissipated in the battery's internal resistance in 3.00 minutes? Submit AnswerTries 0/6 Due in...
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