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Physics / Fundamentals of Physics 10 / Chapter 27 / Problem 76

Fundamentals of Physics | 10th Edition | ISBN: 9781118230725 | Authors: David Halliday; Robert Resnick; Jearl Walker

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In Fig. 27-72, the ideal batteries have emfs #1 ! 20.0 V,

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QUESTION:

In Fig. 27-72, the ideal batteries have emfs #1 ! 20.0 V, V, and V, and the resistances are each 2.00 . What are the (a) size and (b) direction (left or right) of current i1? (c) Does battery 1 supply or absorb energy, and (d) what is its power? (e) Does battery 2 supply or absorb energy, and (f) what is its power? (g) Does battery 3 supply or absorb energy, and (h) what is its power?i13++12+Figure 27-72 76

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QUESTION:

In Fig. 27-72, the ideal batteries have emfs #1 ! 20.0 V, V, and V, and the resistances are each 2.00 . What are the (a) size and (b) direction (left or right) of current i1? (c) Does battery 1 supply or absorb energy, and (d) what is its power? (e) Does battery 2 supply or absorb energy, and (f) what is its power? (g) Does battery 3 supply or absorb energy, and (h) what is its power?i13++12+Figure 27-72 76

ANSWER:

Problem 76

In fig, the ideal batteries have emf , , and the resistances are each . What are the (a) size and (b) direction (left or right) of current i1? (c) Does the battery 1 supply or absorb energy and (d) what is its power? (e) Does battery 2 supply or absorb energy and (f) what is its power? (h) Does battery 3 supply or absorb energy and (g) what is its power?

Step by Step solution

Step 1 of 6

The emf of first battery is .

The emf of second battery is .

The emf of third battery is .

The resistance of each resistor is .

The diagram of loop 1 in the circuit diagram is shown as,

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