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The magnetic field inside a 4.0-cm-diameter superconducting solenoid varies sinusoidally between 8.0 T and 12.0 T...

The magnetic field inside a 4.0-cm-diameter superconducting solenoid varies sinusoidally between 8.0 T and 12.0 T at a frequency of 12 Hz .

a. What is the maximum electric field strength at a point 1.1 cm from the solenoid axis?

b. What is the value of B at the instant E reaches its maximum value?

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Answer #1

here put r = 1.1 cm

so maximum electric field strength at a point 1.1 cm from the solenoid axis = 69.08 x10-2 V/m

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