One Hundred Turns of Insulated Copper Wire Are Wrapped Around $\Omega$

question 22

Multiple Choice

One hundred turns of insulated copper wire are wrapped around an iron core of cross-sectional area 0.100 m².The circuit is completed by connecting the coil to a 10- $\Omega$ resistor.As the magnetic field along the coil axis changes from 1.00 T in one direction to 1.00 T in the other direction, the total charge that flows through the resistor is:

• A)0.01 C
• B)0.02 C
• C)0.2 C
• D)1 C
• E)2 C

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