What correction do you make to a friend who states that a step-up transformer boosts energy, while a step-down transformer reduces energy in a circuit.
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Q88: A transformer actually transforms
A)energy from one value
Q89: The rapid alteration of an electric field
Q90: The rapid alteration of a magnetic field
Q91: A step-up transformer increases
A)power.
B)energy.
C)both
D)neither
Q92: A current of 4 A exist in
Q94: If the primary of a transformer were
Q95: A step-down transformer decreases
A)current.
B)voltage.
C)power.
D)energy.
E)all of the above
Q106: A certain transformer doubles input voltage.If the
Q107: The voltage across the input terminals of
Q111: A transformer for a laptop computer converts
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