Transformers

Q1: In the given circuit, Maximum power is being transferred to the load.

A
True

B
False

Q2: The secondary voltages produced by a center-tapped transformer are equal in amplitude but 180° out of phase with respect to the center tap.

A
True

B
False

Q3: An open secondary winding of a transformer will cause the primary current to be nearly zero.

A
True

B
False

Q4: The reflected load value that the source sees will always be larger than the load value itself.

A
True

B
False

Q5: A transformer that has 700 turns in the primary and 35 turns in the secondary has a turns ratio of 20:1.

A
True

B
False

Q6: An open secondary winding of a transformer will cause the primary current to be nearly zero.

A
True

B
False

Q7: In the given circuit, the secondary voltage is in phase with the primary voltage.

A
True

B
False

Q8: For mutual inductance to occur, the two coils must be at right angles to each other.

A
True

B
False

Q9: If the current drawn in the secondary of a transformer increases, the power in the primary should remain the same.

A
True

B
False

Q10: 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.

A
True

B
False


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