E R Switch FIGURE 2.7.7. The circuit for Problems I through 6. 1. In the circuit of Fig. 2.7.7, suppose that L = 5 H, R = 25 2, and the source E of emf is a battery supplying 100 V to the circuit. Suppose also that the switch has been in po- sition 1 for a long time, so that a steady current of 4 A is flowing in the circuit. At time r = 0, the switch is thrown to position 2, so that I (0) = 4 and E = 0 for 1 20. Find 1(1).
E R Switch FIGURE 2.7.7. The circuit for Problems I through 6. 1. In the circuit of Fig. 2.7.7, suppose that L = 5 H, R = 25 2, and the source E of emf is a battery supplying 100 V to the circuit. Suppose also that the switch has been in po- sition 1 for a long time, so that a steady current of 4 A is flowing in the circuit. At time r = 0, the switch is thrown to position 2, so that I (0) = 4 and E = 0 for 1 20. Find 1(1).
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Transcribed Image Text:E
R
Switch
FIGURE 2.7.7. The circuit for
Problems I through 6.
1. In the circuit of Fig. 2.7.7, suppose that L = 5 H, R = 25
2, and the source E of emf is a battery supplying 100 V
to the circuit. Suppose also that the switch has been in po-
sition 1 for a long time, so that a steady current of 4 A is
flowing in the circuit. At time r = 0, the switch is thrown
to position 2, so that I (0) = 4 and E = 0 for 1 ≥ 0. Find
1 (t).
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