A air-filed solenoid 3.3 m diameter and length 23 cm, has 100 turns. If the current increases from 9 mA to 43 mA in 0.3 s a) What is the inductance of the solenoid? b) What is the induced emf? c) What is magnetic field of solenoid for 15 mA?

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A air-filed solenoid 3.3 m diameter and length 23 cm, has 100 turns. If the
current increases from 9 mA to 43 mA in 0.3 s
a) What is the inductance of the solenoid?
b) What is the induced emf?
c) What is magnetic field of solenoid for 15 mA?
Transcribed Image Text:A air-filed solenoid 3.3 m diameter and length 23 cm, has 100 turns. If the current increases from 9 mA to 43 mA in 0.3 s a) What is the inductance of the solenoid? b) What is the induced emf? c) What is magnetic field of solenoid for 15 mA?
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