Types of Cells Primary and Secondary

Q.

An electric cell converts electrical energy into chemical energy.

1. True
2. False

Q. When a torch bulb glows, how does the energy conversions occur?

1. Chemical Energy
2. Electrical Energy
3. Heat Energy
4. Light Energy

Q.

What is Discharge Capacity of a Battery?

Q.

A cell is a device used to convert _________into electrical energy.

Q.

__________ produces electricity from chemicals stored inside.

Q.

Name the device that converts chemical energy to electrical energy

Q.

What is the main function of a capacitor?

Q. If 4 cells are used to make a battery, then how many terminals would the battery have?

1. 4
2. 5
3. 1
4. 2

Q. If four cells are used to make a battery, then how many terminals would the battery have?

1. 6
2. 4
3. 2
4. 8

Q.

Identify the energy conversion in an electrical cell.

1. Electrical to mechanical energy

2. Electrical to chemical energy

3. Chemical to electrical energy

4. Mechanical to electrical energy

Q. The thin wire that emits light inside a bulb when is passed through it is known as a .

1. current
2. filament
3. light
4. conductor

Q. Electrical energy is converted into light energy in _________.

1. electric bulb
2. electric oven
3. electric heater
4. electric bell

Q. Define electric cell.

Q. What are the uses of battery?

Q.

How do we connect these two identical cells of 1.5 volt each to design a 3.0 volt battery?

1. Connect terminal A to D.

2. Connect terminal D to B.

3. Connect terminal B to C.

4. Connect terminal A to C.

Q. Match the followings.

1. Battery
2. Negative charge
3. Electric Current

Q. In a bulb, electrical energy is converted into .

1. both heat and light
2. chemical energy
3. light energy only
4. heat energy only

Q. The flow of charged particles is called _________.

1. circuit
2. electric circuit
3. water current
4. electric current

Q. Which of the following is true about the filament of an electric bulb?

1. The filament is made up of a material with low melting point.
2. Most of the heat is generated in the filament
3. The hot filament appears to glow
4. The filament is made up of a material with high melting point.

Q. The metal disc of an electric cell is the terminal.

1. positive
2. negative
3. neutral

Q. An electric cell is a device that converts the chemical energy stored in it into electrical energy.

1. True
2. False

Q. Identify the power source in the circuit.

1. 
2. 
3. 
4.