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The hot resistance of a flashlight bulb is 1.80 12, and it is run by a...
What power is dissipated by the bulb of a flashlight when its hot resistance is 2.200E...
What power is dissipated by the bulb of a flashlight when its hot resistance is 2.200E + O and voltage is 9.700E + 0-V? Answer to 3SigFigs with units. .227*A
What current (in A) flows through the bulb of a 3.20 V flashlight when its hot...
What current (in A) flows through the bulb of a 3.20 V flashlight when its hot resistance is 3.75 Ω?
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 |...
A typical small flashlight contains two batteries, each having an emf of 1.50 V connected in...
A typical small flashlight contains two batteries, each having an emf of 1.50 V connected in series with a bulb having a resistance of 18 Ω . A. If the internal resistance of the batteries is negligible, what power is delivered to the bulb? P = B. If the batteries last for a time of 4.1 h , what is the total energy delivered to the bulb? W = C. The resistance of real batteries increases as they run down....
(6.9) A typical small flashlight contains two batteries, each having an emf of 1.50 V connected...
(6.9) A typical small flashlight contains two batteries, each having an emf of 1.50 V connected in series with a bulb having a resistance of 18 Ω A) If the internal resistance of the batteries is negligible, what power is delivered to the bulb? B) If the batteries last for a time of 6.0 h , what is the total energy delivered to the bulb? C) The resistance of real batteries increases as they run down. If the initial internal...
The figure below shows a circuit consisting of a flashlight bulb, rated 3.0 V and 1.5...
The figure below shows a circuit consisting of a flashlight bulb, rated 3.0 V and 1.5 W. Assume the wires are ideal and have no resistance. The right wire of the circuit, the rod, is 12 cm long and is pulled at constant speed v through a perpendicular magnetic field of strength 0.25T (directed into the page). What current has to flow through the bulb for it to shine at the full brightness? What speed must the moving rod have...
(17%) Problem 4: An electronic toy is powered by three 1.58-V alkaline cells, each with an...
(17%) Problem 4: An electronic toy is powered by three 1.58-V alkaline cells, each with an internal resistance of 0.01852, and a 1.53-V carbon-zinc dry cell, whose internal resistance is 0.125 0. All four cells are connected in series as part of a single-loop circuit. The resistance of the rest of the circuit is 7.8 2. A 33% Part (a) What current, I. in amperes, flows through the toy's circuit? > A 33% Part (b) How much power. P, in...
Suppose you measure the terminal voltage of a 1.585V alkaline cell having an internal resistance of...
Suppose you measure the terminal voltage of a 1.585V alkaline
cell having an internal resistance of 0.100 Ω by placing a 1.00kΩ
voltmeter across its terminals. (See figure.)
What current flows?
A. 1.59 mA
B. 159 mA
C. 1.58 mA
D. 15.9 A
Find the terminal voltage.
A. 1.5850 V (need four digits to see the difference)
B. 1.5852 V
C. 1.5848 V
D. 1.6850 V
To see how close the measured terminal voltage is to the
emf, calculate their...
Refer to the figure. V = ? imes R = 1.80 12 V = 12.0 V...
Refer to the figure. V = ? imes R = 1.80 12 V = 12.0 V R, = 7.60 n3 R, = 13.8 13 vz = ? (a) Calculate P3 (in W). w (b) Find the total power in W) supplied by the source. W Compare the total power with the sum of the powers dissipated by the resistors. (Consider two values to be equal if they are within 3% of each other.) The total power is less than the...
Question 7 1 pts Compute the equivalent resistance in ohms of the bulb network attached to...
Question 7 1 pts Compute the equivalent resistance in ohms of the bulb network attached to the battery in Fig. 4. The resistance of each bulb is 5 12. Figure 4 Question 7 1 pts Compute the equivalent resistance in ohms of the bulb network attached to the battery in Fig. 4. The resistance of each bulb is 5 12. 070 Figure 4 Question 8 1 pts Indicate the reasoning for arriving at your answer to problem 7. Include equations,...
What power is dissipated by the bulb of a flashlight when its hot resistance is 2.200E + O and voltage is 9.700E + 0-V? Answer to 3SigFigs with units. .227*A
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 |...
The figure below shows a circuit consisting of a flashlight bulb, rated 3.0 V and 1.5 W. Assume the wires are ideal and have no resistance. The right wire of the circuit, the rod, is 12 cm long and is pulled at constant speed v through a perpendicular magnetic field of strength 0.25T (directed into the page). What current has to flow through the bulb for it to shine at the full brightness? What speed must the moving rod have...
(17%) Problem 4: An electronic toy is powered by three 1.58-V alkaline cells, each with an internal resistance of 0.01852, and a 1.53-V carbon-zinc dry cell, whose internal resistance is 0.125 0. All four cells are connected in series as part of a single-loop circuit. The resistance of the rest of the circuit is 7.8 2. A 33% Part (a) What current, I. in amperes, flows through the toy's circuit? > A 33% Part (b) How much power. P, in...
Suppose you measure the terminal voltage of a 1.585V alkaline
cell having an internal resistance of 0.100 Ω by placing a 1.00kΩ
voltmeter across its terminals. (See figure.)
What current flows?
A. 1.59 mA
B. 159 mA
C. 1.58 mA
D. 15.9 A
Find the terminal voltage.
A. 1.5850 V (need four digits to see the difference)
B. 1.5852 V
C. 1.5848 V
D. 1.6850 V
To see how close the measured terminal voltage is to the
emf, calculate their...
Refer to the figure. V = ? imes R = 1.80 12 V = 12.0 V R, = 7.60 n3 R, = 13.8 13 vz = ? (a) Calculate P3 (in W). w (b) Find the total power in W) supplied by the source. W Compare the total power with the sum of the powers dissipated by the resistors. (Consider two values to be equal if they are within 3% of each other.) The total power is less than the...
Question 7 1 pts Compute the equivalent resistance in ohms of the bulb network attached to the battery in Fig. 4. The resistance of each bulb is 5 12. Figure 4 Question 7 1 pts Compute the equivalent resistance in ohms of the bulb network attached to the battery in Fig. 4. The resistance of each bulb is 5 12. 070 Figure 4 Question 8 1 pts Indicate the reasoning for arriving at your answer to problem 7. Include equations,...
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