In the circuit of the figure below, the current I1 is 2.4 A and the values...
In the circuit of the figure below, the current I1 is 2.4 A and the values of e m f and R are unknown. What are the currents I2 and I3? (Enter the magnitude only.)
I2 =
I3 =
A circuit is comprised of two adjacent square loops that share a side such that the right side of the left loop is also the left side of the right loop. The two loops meet at point a at the top of the shared side and point b at the bottom of the shared side.
- The left side of the left loop contains a resistor R and a current I3 that points upwards.
- The top side of the left loop contains a battery with voltage emf ℰ oriented such that the positive terminal is on the right and the negative is on the left.
- The right side of the right loop contains a 6.0 Ω resistor and a current I1 that points downwards.
- The top side of the right loop contains a 24 V battery oriented such that the positive terminal is on the right and the negative is on the left.
- The shared side contains a 3.0 Ω resistor and a current I2 that points downwards.
Homework Answers
In right loop,
24 - 6I1 + 3I2 = 0
24 - (6 x 2.4) + 3 I2 = 0
24 - 14.4 + 3 I2 = 0
9.6 + 3 I2 =0
Current, I2 = - 3.2 A
I3 = I1 + I2 = 2.4 - 3.2
Current, I3 = - 0.8 A
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