a. in a wire coil, the faster the current changes, the larger the opposing EMF
b. when a piece of metal is moved through a magnetic field, eddy currents are generated in the metal
c. in a step-down transformer, the primary voltage is larger than the secondary voltage
d. if the N-pole of a magnet is moved toward the right end of a coil wire, the right end of the coil becomes an N-pole and attracts the magnetWhich one of the following statements is false?
D
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