3. Below is a circuit with four branches. The currents I₁ and I2, and the emf &₁ are unknown. The current flowing from c toe is 2 A. (a) (b) (c) (d) 1₁ &₁ c 13=2A e {1Ω 1₂ 19 +&₂=4V d f 120 120 What is the current flowing through each of the 12 resistors? What is the value of the emf &₁? What are the currents I and I2, and in what directions do they flow? Is the emf &2 providing energy or is it absorbing energy? What is the power it is providing or absorbing?

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3. Below is a circuit with four branches. The currents I₁ and I2, and the emf &₁ are unknown.
The current flowing from c to e is 2 A.
(a)
a
1₁
b
& 1,
d
13=2A e
192
E₂=4V
120 120
f
What is the current flowing through each of the 12 M resistors?
What is the value of the emf E₁?
What are the currents I₁ and I2, and in what directions do they flow?
(d) Is the emf &2 providing energy or is it absorbing energy? What is the power it is
providing or absorbing?
Transcribed Image Text:3. Below is a circuit with four branches. The currents I₁ and I2, and the emf &₁ are unknown. The current flowing from c to e is 2 A. (a) a 1₁ b & 1, d 13=2A e 192 E₂=4V 120 120 f What is the current flowing through each of the 12 M resistors? What is the value of the emf E₁? What are the currents I₁ and I2, and in what directions do they flow? (d) Is the emf &2 providing energy or is it absorbing energy? What is the power it is providing or absorbing?
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