BEE BEE Bachelor of Electrical Engineering Fundamental Circuit Analysis Questions and Answers 2

Question 1

A 10V source is connected across two parallel resistors of 20Ω and 30Ω. What is the total current drawn from the source?

Accepted Answer

0.833 A

Answer

0.500 A

Answer

1.200 A

Answer

0.667 A

Question 2

In a series RLC circuit at resonance, which statement is true?

Accepted Answer

The impedance is purely resistive and at its minimum value

Answer

The impedance is at its maximum value

Answer

The current through the circuit is at its minimum

Answer

The voltage across the capacitor is zero

Question 3

What is the time constant of a series RC circuit with R = 4.7 kΩ and C = 22 μF?

Accepted Answer

103.4 ms

Answer

47.0 ms

Answer

213.4 ms

Answer

22.0 ms

Question 4

Using the superposition theorem, how are individual source contributions combined to find the total response?

Accepted Answer

By algebraically adding the individual responses

Answer

By multiplying the individual responses

Answer

By taking the RMS of the individual responses

Answer

By selecting the largest individual response

Question 5

A node in a circuit has three branches carrying currents of 3 A (in), 5 A (in), and I (out). What is I?

Accepted Answer

8 A

Answer

2 A

Answer

5 A

Answer

15 A

Question 6

What is the Thevenin equivalent voltage across terminals A-B if an open-circuit measurement reads 15V?

Accepted Answer

15 V

Answer

0 V

Answer

7.5 V

Answer

30 V