Title: Unit 8 Quiz
Course: SGRD 105 Microgrids and Renewable Energies > Section: SGRD 105 Microgrids and Renewable Energies

Q: An ideal battery is a source of constant
- voltage
- current
- power
- capacity
A: voltage

Q: A real battery with an source voltage vs = 12.7 V and an internal resistance 0.05 Ω delivers I = 3.0 A. The terminal voltage is
- 12.85 V
- 12.55 V
- 11.20 V
- 14.20 V
A: 12.55 V

Q: In the charged state, the negative electrode of a lead acid battery consists of
- sulfuric acid
- lead sulfate
- lead oxide
- lead
A: lead

Q: As a lead acid battery is discharged, the cell voltage
- increases
- stays the same
- decreases
A: decreases

Q: As a lead acid battery is discharged, the cell voltage
- are designed to withstand slow, deep discharges
- have long cycle lifetimes for deep discharges
- provide short bursts of high current for very shallow discharge
- both A and B
A: both A and B

Q: In general, as discharge rate increases, battery capacity
- increases
- stays the same
- decreases
A: decreases

Q: In general, as discharge rate increases, battery capacity
- 10 A
- 20 A
- 0.1 A
- 0.4 A
A: 10 A

Q: As the rate of battery charging/discharging increases, the rate of energy losses
- increases
- stays the same
- decreases
A: increases

Q: Consider four batteries each with voltage 6 V and capacity 100 Ah. When combined in two parallel strings of two batteries in series, the system capacity is
- 3 V
- 6 V
- 12 V
- 24 V
A: 12 V

Q: Consider four batteries each with voltage 6 V and capacity 100 Ah. When combined in two parallel strings of two batteries in series, the system capacity is
- 50 Ah
- 200 Ah
- 400 Ah
- 100 Ah
A: 200 Ah