The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper tube of 60 mm diameter is
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A: Emf, V = 6.15 VTime constant, τ = 755 μs = 0.000755 sMaximum current, imax = 440 mA = 0.44 A
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- How many turns should a solenoid of cross-sectional area 3.9×10−2 m2 and length 0.31 m have if its inductance is to be 52 mH ? Express your answer using two significant figures.A loop of wire has a self-inductance of 5.5 mH. You pass a current of 9.0 Amps though the loop, and then drop the current to 0 at a contastant rate over 3.5 seconds. What is the EMF generated?What's the self-inductance of a solenoid with 697 loops wrapped around a cylinder. The cylinder has a radius of 2.1 cm and a length of 21 cm?
- A solenoid has an inductance of 6 mH. If the current through the solenoid is increased at the rate of 5 A/s, what will be the self-induced emf?How many turns of wire would be required to make a 150 mH inductance out of a 20.0 cm-long air-filled coil with a diameter of 4.8 cm?A solenoid with 465 turns has a length of 7.50 cm and a cross sectional area of 2.70×10^-9 m^2. Find the solenoids inductance and the average emf aroumd the solenoid if the current changes from +2.50 A to -2.50 A in 5.33×10^-3 s.