The phase angle (?) of a series RL circuit varies directly with frequency. True

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Home ‣ Electrical Engineering ‣ RL Circuits Comments

Question
The phase angle (?) of a series RL circuit varies directly with frequency.
Options
A. True
B. False

Correct Answer

True

RL Circuits problems

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1. A step-down transformer has a turns ratio less than 1.
Options
A. True
B. False

Discuss

Correct Answer: True

Explanation:

Ns/Np is known as the turns ratio.

In step down transformer the number of turns in secondary winding (Ns) will be less than the number of turns in primary (Np).

Therefore, the ratio will be less than 1 for step down transformer.

Ex: Np = 10, Ns = 5; Turns ratio = 5/10 = 0.5.