4) A long solenoid has n=1000 turns per meter and a current I = 5 sin(wt). Inside the solenoid with a= 0.5 m and coaxial with it is a coil that has a radius of b = 0.2 m and consists of Nc = 300 turns in Figure. Circuit has a variable resistor, and at t=2 s resistor has 2 Q. (a) Find the induced emf in the coil as a function of time if f=10 Hz. (b) Find the self-inductance of solenoid. (c) Find the current Irms of the circuit. (d) Write the expressions for E and B generated by solenoid in the form E = 5 sin(kx – wt) and B = Bmax sin(kx – wt) with numerical values for Bmaxs k, and w when the wavelength 2 150 m, and the periot T=3 s. (µo = 4n × 10-7 T. m/A, c = 3 × 10® m/s) %3D %3D Coil, No turns with radius b = 0.2 m Solenoid, n turns per meter ja I = 5 sin(wt) I = 5 sin(wt) V = 10 sin(wt) Variable resistor

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Chapter1: Units, Trigonometry. And Vectors
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4) A long solenoid has n=1000 turns per meter and a current I = 5 sin(wt). Inside the solenoid
with a= 0.5 m and coaxial with it is a coil that has a radius of b = 0.2 m and consists of N. = 300
turns in Figure. Circuit has a variable resistor, and at t=2 s resistor has 2 Q.
(a) Find the induced emf in the coil as a function of time if f=10 Hz.
(b) Find the self-inductance of solenoid.
(c) Find the current Irms of the circuit.
(d) Write the expressions for E and B generated by solenoid in the form E = 5 sin(kx – wt) and
B = Bmax sin(kx – wt) with numerical values for B, k, and w when the wavelength 2
150 m, and the periot T=3 s. (H.
max
= 4n × 10-7 T. m/A, c = 3 × 108 m/s)
Coil, No turns with radius b = 0.2 m
Solenoid, n turns per meter
I = 5 sin(wt)
I = 5 sin(wt)
V = 10 sin(wt)
2 Ω
Variable resistor
Transcribed Image Text:4) A long solenoid has n=1000 turns per meter and a current I = 5 sin(wt). Inside the solenoid with a= 0.5 m and coaxial with it is a coil that has a radius of b = 0.2 m and consists of N. = 300 turns in Figure. Circuit has a variable resistor, and at t=2 s resistor has 2 Q. (a) Find the induced emf in the coil as a function of time if f=10 Hz. (b) Find the self-inductance of solenoid. (c) Find the current Irms of the circuit. (d) Write the expressions for E and B generated by solenoid in the form E = 5 sin(kx – wt) and B = Bmax sin(kx – wt) with numerical values for B, k, and w when the wavelength 2 150 m, and the periot T=3 s. (H. max = 4n × 10-7 T. m/A, c = 3 × 108 m/s) Coil, No turns with radius b = 0.2 m Solenoid, n turns per meter I = 5 sin(wt) I = 5 sin(wt) V = 10 sin(wt) 2 Ω Variable resistor
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