3. Resistor Network An ideal battery is connected to a network of resistors in the circuit shown. R₁ = 69 R₂ = 89 R3 = 49 www R4 = 80 R5=4Q R6=69 (a) The current through R₂ is 3 mA. What is the emf of the battery? Hint: There are more than one approaches to solve this problem. (b) What power does the ideal battery deliver to the rest of the circuit? (c) Suppose that the ideal battery is now being replaced by a capacitor (C = 1 mF) in which an amount of charge Q is initially stored. Find the time that elapses until the electric potential energy in the capacitor decreases by half once it is connected to the resistor network.

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3. Resistor Network
An ideal battery is connected to a network of resistors in the circuit shown.
R₁ = 69
R₂ = 89
R3 = 49
www
R4 = 80
R5=4Q
R6=69
(a) The current through R₂ is 3 mA. What is the emf of the battery? Hint: There are
more than one approaches to solve this problem.
(b) What power does the ideal battery deliver to the rest of the circuit?
(c) Suppose that the ideal battery is now being replaced by a capacitor (C = 1 mF) in
which an amount of charge Q is initially stored. Find the time that elapses until
the electric potential energy in the capacitor decreases by half once it is connected
to the resistor network.
Transcribed Image Text:3. Resistor Network An ideal battery is connected to a network of resistors in the circuit shown. R₁ = 69 R₂ = 89 R3 = 49 www R4 = 80 R5=4Q R6=69 (a) The current through R₂ is 3 mA. What is the emf of the battery? Hint: There are more than one approaches to solve this problem. (b) What power does the ideal battery deliver to the rest of the circuit? (c) Suppose that the ideal battery is now being replaced by a capacitor (C = 1 mF) in which an amount of charge Q is initially stored. Find the time that elapses until the electric potential energy in the capacitor decreases by half once it is connected to the resistor network.
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