Which of the following quantities remain constant in step up transformer? a. Current b. Voltage c. Power d. Heat
Answer: Power
Explanation
In a step-up transformer, the quantity that remains constant is power.
Power conservation:
In an ideal transformer, the power input to the primary coil is equal to the power output from the secondary coil, meaning power is conserved.
Voltage and current change:
While power stays constant, the voltage increases in a step-up transformer, which results in a corresponding decrease in current to maintain the same power output.
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