In the given circuit, the secondary voltage is in phase with the primary voltage.

More Questions from Transformers

• Regardless of whether the transformer is step-up or step-down, power in the primary equals the power in the secondary if there is 100% efficiency.
• The reflected load value that the source sees will always be larger than the load value itself.
• If the current drawn in the secondary of a transformer increases, the power in the primary should remain the same.
• The secondary voltages produced by a center-tapped transformer are equal in amplitude but 180° out of phase with respect to the center tap.
• An open secondary winding of a transformer will cause the primary current to be nearly zero.
• If voltage is stepped-up to the secondary, current will be stepped-down by the same amount.
• A transformer that has 700 turns in the primary and 35 turns in the secondary has a turns ratio of 20:1.
• In the given circuit, Maximum power is being transferred to the load.
• For mutual inductance to occur, the two coils must be at right angles to each other.
• A transformer turns ratio of ________ will be needed to match an output impedance of 5 kΩ to an 8 Ω speaker.

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