Question

Answer the following.

1. Draw a circuit diagram for a bulb connected to a cell with a switch. Mark arrow in the diagram to

indicate the direction of flow of current.

2. Distinguish between conductors and insulators of electricity. Give two examples of each.

3. In which of the following case, the bulb will glow?

Case:1 Only one terminal of a cell is joined with a metal wire to one terminal of the bulb.

Case 2: Both terminals of a cell are joined with two metal wires to one terminal of the cell.

Case 3: One terminal of a cell is joined to one terminal of the bulb and other terminal of the

Cell is connected to other terminal of the bulb.

4. Draw the symbolic representation of

(i) Switch (open)

(ii) Wire

(iii) Battery

(iv) Resistor

5. State the function of each of the following

a. Switch

b. Battery

c. Resistor

6. What are ions?

7. Define potential difference and how it is measured. State its S.I. unit.

8. What are the sources of potential difference?

9. Define Directive property of magnets.

10. Define magnetic declination.

11. Define Electromagnetism.

12. What is an electric current? What are conduction electrons?

13. Define electric circuit. What are the components required in a circuit?

14. What is meant by resistor? What are the two types of resistor? State the S.I. unit of resistance

and its symbol.

15. Distinguish between Ammeter and Galvanometer.​

Answer 1

Answer:

jfnvfkg

Explanation:

dggxiodtottuuuuukynhgiicfh