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*** Problem 3 When switch S in Figure 1 is open, the voltmeter V reads 3.08...
When switch S in the figure is open, the voltmeter V of
the battery reads 3.09 V . When the switch is closed, the voltmeter reading drops
to 2.96 V , and the ammeter A reads 1.66 A . Assume that the two
meters are ideal, so they do not affect the circuit. (Figure 1) -
From that we find that emf E = 3.09 V.Find the internal resistance r of the battery.
When switch S in the figure (Figure 1)is open, the voltmeter V
of the battery reads 3.13 V . When the switch is closed, the
voltmeter reading drops to 2.99 V , and the ammeter A reads 1.70 A
. Assume that the two meters are ideal, so they don't affect the
circuit.1) Find the emf.2) Find the internal resistance of the battery.3) Find the circuit resistance R.
When switch S in the figure is open, the voltmeter V of the battery reads 3.06 V. When the switch is closed, the voltmeter reading drops to 2.96 V, and the ammeter A reads 1.6 A. Find the internal resistance of the battery. Assume that the two meters are ideal, so they don't affect the circuit. (Give your answer in decimal with 3 digits after the decimal point using Ohm (Ω) as unit)
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...
In the circuit shown in the figure (Figure 1) the batteries have negligible internal resistance and the meters are both idealized. With the switch S open, the voltmeter reads 13.0 V. Find the emf epsilon of the battery. What will the ammeter read when the switch is closed?
emf In the circuit above, the switch is closed for a short time. The readings are then recorded from the ammeter and the voltmeter and shown in the table below. Voltmeter Readings (V) Ammeter Readings (mA) 6.75 30 6.00 60 5.25 90 4.50 120 3.00 180 a) Draw a graph on graph paper of Voltmeter Readings against Ammeter Readings b) Find the following information from the graph: D) EMF of the battery b) Internal Resistance of the battery. c) A...
When you connect a standalone battery to a voltmeter the voltmeter reads 5 V. (a) Assuming the voltmeter has a very high resistance, what is the approximate elec- tromotive force in the battery? (b) When you hook the same battery up to a circuit with a 15 Ohm resistor, you hook up the voltmeter to read the terminal voltage across the battery and it now reads 4.688 V instead of 5 V. What is the internal resistance of the battery?
When a battery voltage is measured by placing a high-resistance voltmeter across the terminals of the battery, the voltmeter reads 6.3V. With the voltmeter leads still attached, the battery terminals are then connected to a resistor in series with an ammeter. In this arrangement, the ammeter reads 150 mA, and the voltmeter reads 5.9V. What are the emf and the internal resistance of the battery?
In the circuit shown the voltmeter (denoted by V) has an internal resistance of 90 Ω, the ammeter (denoted by A) has an internal resistance of 1 Ω. The battery with the emf of ℰ = 20V has a negligible resistance. Find the total dissipated power.
for circuit shown in figure the battery has no appreciable
internal resistance. voltmeter and anmeter are ideal
2. (20 points, 5 points each) For the circuit shown in Figure, the battery has no appreciable internal resistance. Voltmeter and Ammeter are ideal. (a) What is the equivalent resistance of the circuit? 3 kn 2 kn R(series Rea» 3.734 3.21: 8-73 kn (b) What does the voltmeter read? parrele witn R4 . Vz4s τ24( 2 +): o.or7 (3.73 xu?): 47. 37lV (c)...