The “power cube” transformer for a portable CD player has an output of 4.5 V and 600 mA (both rms) when plugged into a 120 V outlet.a. If the primary coil has 400 turns of wire, how many turns are on the secondary coil?b. What is the peak current in the primary coil?
The “power cube” transformer for a portable CD player has an output of 4.5 V and 600 mA (both rms) when plugged into a 120 V outlet.a. If the primary coil has 400 turns of wire, how many turns are on the secondary coil?b. What is the peak current in the primary coil?
Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 44P: A step-up transformer is designed so that the output of its secondary winding is 2000 V(rms) when...
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The “power cube” transformer for a portable CD player has an output of 4.5 V and 600 mA (both rms) when plugged into a 120 V outlet.
a. If the primary coil has 400 turns of wire, how many turns are on the secondary coil?
b. What is the peak current in the primary coil?
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