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INDUCTORS QUIZ

Three 15 mH inductors are in series. The total inductance is

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The inductance of an iron-core coil decreases if

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Five inductors are connected in series. The lowest value is 8 μH. If the value of each inductor is twice that of the preceding one, and if the inductors are connected in order of ascending values, the total inductance is

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A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is

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The voltage across a coil when di/dt = 20 mA/s and L = 8 H is

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The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately

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The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is

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A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current

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An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is

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A 240 H inductor is equivalent to a

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