Spot the error. When my sister was a little girl she asked my mother and Uncle Bill the name of a certain old lady.
Correct answer: C. my mother
- A. when
- B. a little
- C. my mother
- D. a certain
Explanation
The error in the sentence is in option (C) "my mother," which should be corrected to "our mother" for grammatical accuracy and clarity.
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About Electromagnetic Induction
Changing magnetic flux induces an emf according to Faraday's law, while Lenz's law gives the direction that opposes the change producing it. Transformers apply induction between coils to step alternating voltage up or down, with turns ratio, current transformation and energy losses determining practical operation.
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