a) Assume that there is a long ideal solenoid with 120 turns/cm. It carries a current...

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Physics

a) Assume that there is a long ideal solenoid with 120 turns/cm.It carries a current i= 2 A and it has a diameter 2 cm and a length5 m. Find the uniform magnetic field inside the solenoid.

c) Now, construct an RL circuit using an ideal batterythat has potential difference 5 V, one resistor with R = 2 Ω andthe solenoid that has same shape with one mentioned at part (a).Wait very long time and then remove the battery. Find the potentialdifference across resistor at 2 ms after removing battery?(Hint: First calculate the inductance)

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4.1 Ratings (668 Votes)
aMagnetic field in the solenoid BnI4xnnumber of turns per unit    See Answer
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