What Is the Minimum Frequency with Which a 200-Turn,flat Coil

question 13

Multiple Choice

What is the minimum frequency with which a 200-turn,flat coil of cross sectional area 300 cm² can be rotated in a uniform 30-mT magnetic field if the maximum value of the induced emf is to equal 8.0 V?

• A)0.030 Hz
• B)2.9 Hz
• C)7.1 Hz
• D)8.4 Hz

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