The magnetic field inside an air-filled solenoid 40 cm long and 2.8 cm in diameter is 0.74 T. Part A Approximately how much energy is stored in this field? Express your answer to two significant figures and include the appropriate units.

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The magnetic field inside an air-filled solenoid
40 cm long and 2.8 cm in diameter is 0.74 T.
Part A
Approximately how much energy is stored in this field?
Express your answer to two significant figures and include the appropriate units.
E =
μÃ
Value
Submit Request Answer
Units
wwwwwwww
?
Transcribed Image Text:The magnetic field inside an air-filled solenoid 40 cm long and 2.8 cm in diameter is 0.74 T. Part A Approximately how much energy is stored in this field? Express your answer to two significant figures and include the appropriate units. E = μà Value Submit Request Answer Units wwwwwwww ?
A long thin solenoid of length 1 and cross-sectional area
A contains N₁ closely packed turns of wire. Wrapped
tightly around it is an insulated coil of N₂ turns(Figure 1).
Figure
N₂
1 of 1
N₁
Part A
Assume all the flux from coil 1 (the solenoid) passes through coil 2, and calculate the mutual inductance.
Express your answer in terms of the variables N₁, N2, A, I, and appropriate constants.
M=
=
Submit
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Transcribed Image Text:A long thin solenoid of length 1 and cross-sectional area A contains N₁ closely packed turns of wire. Wrapped tightly around it is an insulated coil of N₂ turns(Figure 1). Figure N₂ 1 of 1 N₁ Part A Assume all the flux from coil 1 (the solenoid) passes through coil 2, and calculate the mutual inductance. Express your answer in terms of the variables N₁, N2, A, I, and appropriate constants. M= = Submit Provide Feedback VO ΑΣΦ Request Answer ?
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