5 questions on inductance calculations for basic circuitry class elec 152.
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What is inductance and how is it measured? Show more…
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1. Consider an inductor with an inductance of 2.5 H. How fast does the current through it change when the voltage across it is 10 V? 2. A circuit consists of a 0.80 H inductor and a 3.5 ohm resistor. At t = 0 the current through the inductor is 1.2 A. How much energy is stored in the inductor at this instant? 3. At what time is the current through the inductor equal to 0.40 A? 4. I want to make a transformer to step up voltage from 120 V to 300 V. If the primary coil has 1000 turns, how many turns does the secondary coil have?
Penny R.
Sri K.
QUESTION 21 What is the total inductance of four 10 mH inductors connected in series? 40 mH 2.5 mH 250 mH 40,000 µH QUESTION 22 An inductor passes direct current and opposes alternating current. True False QUESTION 23 When inductors are connected in parallel, their total inductance acts like resistance connected in series-parallel resistance connected in series resistance connected in parallel all of these.
Madhur L.
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