Advertisements
Advertisements
Question
Select the correct alternative
In a torch, the source of electricity is
Options
the bulb
the switch
the cell
the mains
Solution
the cell
APPEARS IN
RELATED QUESTIONS
State two precautions that you must take when switching on an electric circuit.
Describe the construction, working and usefulness of a dry cell, with the help of a diagram.
Name the -ve terminal of a dry cell.
Name the scientist who invented the electric cell.
Name the device used to generate electricity.
______ Cells used in automobiles like cars and buses are large and very heavy.
A chemical solution that produces positive and negative ions is used as ______.
Match the following
1. | Dry cells | a. | Reversible |
2. | Electrolyte | b. | Opens or closes the circuit |
3. | Switch | c. | Solution |
4. | Secondary cell | d. | Torches |
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
What will be the direction of the current through the bulb in both the cases. (Q to P or P to Q)
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
Will the bulb glow in both the cases?