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10. The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is ________.
(a) 1.8 mV
(b) 18 mV
(c) 180 mV
(d) 1.25 mV
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5555555555 3. The voltage across a coil when di/dt = 20 mA/μs and L = 8 μH is ________. (a) 16 mV (b) 160 mV (c) 1.6 mV (d) 2.5 mV- 5555555555 18. Three 15 mH inductors are in series. The total inductance is ________. (a) 15 mH (b) 30 mH (c) 45 mH (d) 5 mH
- 5555555555 23. An inductance of 0.43 mH is smaller than ________. (a) 43 μH (b) 430 μH (c) 0.05 H (d) 0.00043 H
- 5555555555 5. An inductance of 0.08 μH is larger than ________. (a) 0.0000008 H (b) 0.000000008 H (c) 0.000008 H (d) 0.00008 mH
- 5555555555 4. A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is ________. (a) 55 mH (b) less than 0.2 mH (c) less than 5.5 mH (d) 5.5 mH