RL Circuit Analysis and Concepts

RL Circuit Analysis and Concepts

Assessment

Interactive Video

Physics, Mathematics, Science

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains how to analyze an RL circuit with a 10-volt source, a 2-ohm resistor, and a switch. Initially, the circuit is in a steady-state with the switch closed, where the inductor acts as a short circuit. The tutorial demonstrates how to calculate the equivalent resistance and current using Ohm's Law. When the switch opens, the circuit is redrawn, and the time constant is derived. The video concludes with the equation for the current through the inductor as a function of time.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial condition of the switch in the RL circuit before time equals zero?

The switch is partially open.

The switch is closed.

The switch is faulty.

The switch is open.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a pure inductor behave in a steady-state situation?

As a short circuit.

As a resistor.

As an open circuit.

As a capacitor.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalent resistance of two resistors in parallel with values 12 ohms and 4 ohms?

6 ohms

16 ohms

3 ohms

8 ohms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial current flowing through the circuit when the switch is closed?

4 amps

3 amps

2 amps

1 amp

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much current flows through the 4 ohm resistor when the switch is closed?

0.5 amps

1 amp

2 amps

1.5 amps

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the circuit when the switch is opened at time equals zero?

The circuit becomes an open circuit.

The circuit becomes a short circuit.

The circuit is disconnected.

The circuit remains the same.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the time constant of the circuit after the switch is opened?

2 seconds

1 second

0.25 seconds

0.5 seconds

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