Question

In An Electric Bulb, Light Is Produced Due To The Glowing Of
A. The glass case of the bulb
B. The thin filament
C. The thick wires supporting the filament
D. Gases inside glass case of the bulb
2. Consider The Following Statements And Choose The Correct One:
A. Although the electricity is very useful but it can also be very dangerous
B. If electric wires and electrical appliances are handled carelessly, then a person get can get electric shock which may cause severe burns and even death.
C. We should never use electricity from power points are sockets in our home for school for performing science experiments because it is very unsafe and dangerous to do so.
D. All the above
3. When the circuit is open the current will
A. not flow B. flow
C. increase D. decrease
4. Battery, wire and bulb are the parts of a
A. circuit B. chamber
C. transformer D. pole
5. An open circuit is defined as
A. discontinuous B. broken path
C. current will not flow D. all of them​

Answer 1

Answer:

1) option b

2) option d

3) option a

4)option a

4) option d

Answer 2

Answer:

1.(B) thin filament

2.(D) all the above

3.(A)Not flow

4.(A)circuit

5.(D)all of them