ISCET DC Circuit Analysis 2

Question 1

Three resistors of 6Ω, 12Ω, and 4Ω are connected in parallel. What is the equivalent resistance?

Accepted Answer

2Ω

Answer

22Ω

Answer

7.33Ω

Answer

3Ω

Question 2

A 24V battery is connected to a 6Ω and 2Ω resistor in series. What is the voltage drop across the 6Ω resistor?

Accepted Answer

18V

Answer

6V

Answer

12V

Answer

8V

Question 3

What happens to the total current in a parallel circuit when an additional branch is added?

Accepted Answer

Total current increases

Answer

Total current decreases

Answer

Total current stays the same

Answer

Total current becomes zero

Question 4

A 100Ω resistor and a 900Ω resistor form a voltage divider across 10V. What is the voltage across the 100Ω resistor?

Accepted Answer

1V

Answer

9V

Answer

5V

Answer

0.1V

Question 5

Using Kirchhoff's Voltage Law, the algebraic sum of all voltages around any closed loop equals:

Accepted Answer

Zero

Answer

The supply voltage

Answer

The largest voltage drop

Answer

The total resistance

Question 6

A wire carrying 5A splits into two parallel paths, one drawing 2A. How much current flows through the other path?

Accepted Answer

3A

Answer

7A

Answer

2.5A

Answer

5A

Question 7

What is the power dissipated by a 10Ω resistor carrying 3A?

Accepted Answer

90W

Answer

30W

Answer

0.9W

Answer

300W