the circuit below, all four resistors are identical (R, = R, - R, - R - R) and the battery has a voltage of 4.89 V. ww- R (a) When the switch is placed in position 1, the measured current in the battery is 1.4 mA. What is the value of each resistor? (b) When the switch is placed in position 2, what is the current flowing out of the battery? mA (c) When the switch is open (neither in position 1 or position 2), what is the current flowing out of the battery? mA ww

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In the circuit below, all four resistors are identical (R, = R, - R, = R, - R) and the battery has a voltage of 4.89 V.
ww-
R,
ww
R2
(a) When the switch is placed in position 1, the measured current in the battery is 1.4 mA. What is the value of each resistor?
(b) When the switch is placed in position 2, what is the current flowing out of the battery?
mA
(c) When the switch is open (neither in position 1 or position 2), what is the current flowing out of the battery?
mA
ww
Transcribed Image Text:In the circuit below, all four resistors are identical (R, = R, - R, = R, - R) and the battery has a voltage of 4.89 V. ww- R, ww R2 (a) When the switch is placed in position 1, the measured current in the battery is 1.4 mA. What is the value of each resistor? (b) When the switch is placed in position 2, what is the current flowing out of the battery? mA (c) When the switch is open (neither in position 1 or position 2), what is the current flowing out of the battery? mA ww
M
What is the output voltage of a 3.00-V lithium cell in a digital wristwatch that draws 0.440 mA, if the cell's internal resistance is 2.15 0? (Enter your answer to at least five significant figures.)
VIunr viurunu ter top 10 at h s
(Assusn
Two batteries with emf E, and E, with internal resistances r, and respectively, are connected as shown in the diagram below. (Assume &,12 V and r, 10)
(a) Calcuate the magnitude and indicate the direction of now of current in the figure shown above. E,- 26.0 V and r, - 0.55 .
magnitude
direction
delect
(b) Find the terminal voltage of each battery
Transcribed Image Text:M What is the output voltage of a 3.00-V lithium cell in a digital wristwatch that draws 0.440 mA, if the cell's internal resistance is 2.15 0? (Enter your answer to at least five significant figures.) VIunr viurunu ter top 10 at h s (Assusn Two batteries with emf E, and E, with internal resistances r, and respectively, are connected as shown in the diagram below. (Assume &,12 V and r, 10) (a) Calcuate the magnitude and indicate the direction of now of current in the figure shown above. E,- 26.0 V and r, - 0.55 . magnitude direction delect (b) Find the terminal voltage of each battery
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