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# RL Circuits MCQ

- Admin
- 26th Aug, 2022
- 460 Followers

#### RL Circuits MCQ Questions

## Take RL Circuits MCQ Test to Test Your Knowledge

Practice here the best **RL Circuits MCQ Questions **that check your basic knowledge of RL Circuits. This** ****RL Circuits MCQ Test **contains 20+ Multiple Choice Questions. You have to select the right answer to the question. Apart from this, you can also download **RL Circuits MCQ PDF, **completely free.

## RL Circuits MCQ

### 1) What do you know about RL circuit?

### 2) RL circuit is also known as:

### 3) The phase angle (θ) of a series RL circuit varies directly with frequency.

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4) What is the relationship between current flowing in the circuit I, current through resistor I_{R} and inductor I_{L} in RL circuit?

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6) What is the relationship between the impedance of series Z, resistance (R) and inductive reactance (X_{L}) of the RL circuit?

### 7) What is the instantaneous power deliver (P) by voltage source (V)?

### 8) How many watt power(P) dissipated by the resistor(R) in the form of heat?

### 9) To increase the current in a series RL circuit, the frequency should be ___.

### 10) If frequency increases or decreases in RL circuit, resistance ____.

### 11) Inductive reactance is directly proportional to frequency.

### 12) In series RL circuit, if frequency increases, then the phase angle θ____.

### 13) When the frequency of the voltage applied to a series RL circuit is decreased, the impedance decreases.

### 14) Reactive power is measured in the unit of ___.

### 15) Power dissipated by a load is referred to as___.

### 16) A 470 Ω resistor and a coil with 125 Ω inductive reactance are in parallel. Both components are across a 15 V ac voltage source. Current through the inductor is ___.

### 17) Which of the following power factors results in less energy loss in an RL circuit?

### 18) In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is ___.

### 19) Is the impedance of an RL circuit varies inversely with frequency?

### 20) A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is ___.

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