

MCQOPTIONS
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1. |
Which of the following is wrong statement [AMU 1995] |
A. | An emf can be induced between the ends of a straight conductor by moving it through a uniform magnetic field |
B. | The self-induced emf produced by changing current in a coil always tends to decrease the current |
C. | Inserting an iron core in a coil increases its coefficient of self induction |
D. | According to Lenz's law, the direction of the induced current is such that it opposes the flux change that causes it |
Answer» C. Inserting an iron core in a coil increases its coefficient of self induction | |