Electronics - RL Circuits

Exercise :: RL Circuits - Filling the Blanks

1. 

If the resistance is larger than the inductive reactance in the given circuit, the phase angle is _______.

A. less than 0°
B. between 0° and 45°
C. between 45° and 0°
D. greater than 90°

Answer: Option B

Explanation:

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2. 

The phase angle in the circuit in the given circuit is approximately equal to ______.

A. 53°
B. 90°
C. 37°
D.

Answer: Option C

Explanation:

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3. 

If VS increases in the given circuit, then the _____.

A. impedance increases
B. real power decreases
C. phase angle increases
D. current increases

Answer: Option D

Explanation:

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4. 

The frequency at which XL = R in an RL circuit is called the _______________.

A. cutoff frequency
B. optimum frequency
C. bandwidth characteristic
D. resonant frequency

Answer: Option A

Explanation:

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5. 

In the given circuit, IT equals _____.

A. 0.5 A
B. 2 A
C. 1.5 A
D. 2.5 A

Answer: Option D

Explanation:

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