Question

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

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 length 5 m. Find the uniform magnetic field inside the solenoid.

c) Now, construct an RL circuit using an ideal battery that has potential difference 5 V, one resistor with R = 2 Ω and the solenoid that has same shape with one mentioned at part (a). Find the potential difference across inductor at 2 ms? (Hint: First calculate the inductance)

Select one:

3.93 V

4.93 V

2.93 V

0.93 V

1.93 V

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