Midterm 2

Question 1

A device composed of two or more cells that convert chemical energy into electrical energy.

Answer 1

Battery

Question 2

(TRUE OR FALSE)
when two terminals are joined by a conductor, electrons flow

Answer 2

True

Question 3

a type of battery that is size compact and low weight. Ideal for low power devices

Answer 3

Primary Cells

Question 4

A type of primary battery that produces 1 1/2 volts regardless of their size. However the size of the cell does determine the amount of current it supplies

Answer 4

CARBON-ZINC CELLS

Question 5

3 types of primary cells

Answer 5

CARBON-ZINC CELLS
ALKALINE CELLS
MERCURY CELLS

Question 6

2 examples of secondary cells

Answer 6

LEAD-ACID (used in storage battery)
NICKEL- CADIUM

Question 7

4 advantages of NICKEL CADIUM

Answer 7

Hight energy density
Long cycle life
Wide operating temperature range
Quick charging

Question 8

3 disadvantages

Answer 8

Toxic
Temperature sensitivity
Low energy > newer tech

Question 9

“Hot Bus”

Answer 9

Battery

Question 10

“Rechargeable” (Lithium)

Answer 10

Secondary Batteries

Question 11

Non- rechargeable

Answer 11

Primary Batteries