Civil Engineering Mechanical Engineering Chemical Engineering Networking Database Questions Computer Science Basic Electronics Digital Electronics Electronic Devices Circuit Simulation Electrical Enigneering Engineering Mechanics Technical Drawing

# Electrical Engineering - Series Circuits

@ : Home > Electrical Engineering > Series Circuits > General Questions

### Exercise

"Actions speak louder than words."
- (Proverb)
1.

When a fourth resistor is connected in series with three resistors, the total resistance

 A. increases by one-fourth B. increases C. decreases D. remains the same

2.

A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is

 A. 0 V B. 1.2 V C. 6 V D. 0.6 V

3.

A series circuit consists of three resistors with values of 120 , 270 , and 330 . The total resistance is

 A. less than 120 B. the average of the values C. 720 D. 120

4.

A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 . If each resistor is operating in the circuit at its maximum power dissipation, total current flow is

 A. 27 mA B. 2.7 mA C. 19 mA D. 190 mA

5.

Which of the following series combinations dissipates the most power when connected across a 120 V source?

 A. one 220 resistor B. two 220 resistors C. three 220 resistors D. four 220 resistors