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- 1. Multiple Choice
What does a fuse do?
Melt down for no reason.
Stop electricity
Stop excessive electricity
- 2. Multiple Choice
What are the effects of electricity?
Chemical effect
Magnetic effect
Heating effect
Illuminating effect
- 3. Multiple Choice
Who developed the ISI mark?
Bureau of India standard
Bureau Indian standards
Bureau India standard
Bureau of Indian Standards
- 4. Multiple Choice
When does an electromagnet lose its magnetic Property?
When current is very high
When its switched off
When heat is very high
When current is switched on
- 5. Multiple Choice
What is an electromagnet based on ?
Magnetic effect
Electric current
Magnetic effect of electric current
Electro-chemical effect of current
- 6. Multiple Choice
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow?The switch needs to be opened.The switch needs to be closed.The cell needs an insulator.The wire needs to be connected to the bottom of the cell. - 7. Multiple Choice
What kind of circuits allow the movement of electrical energy?
broken circuits
short circuits
open circuits
closed circuits
- 8. Multiple ChoiceWhat happens when the circuit is open?light bulb comes ondevice won't workstatic dischargelightning
- 9. Multiple Choice
A combination of two or more cells is called
A button cell
A battery
An electric cell
Truck battery
- 10. Multiple Choice
A glowing filament will be
At a low temperature
At a high temperature
At atmospheric temperature
At the temperature of ice
- 11. Multiple Choice
A wire which melts and breaks the circuit when large current flows through it is called ______________.
A fuse wire
Electric wire
Connecting wire
Filament
- 12. Multiple Choice
Identify the symbol here
Electric Cell
Switch
Battery
Bulb
- 13. Multiple Choice
How many terminals a cell has
Two, both positive
Two, both negative
Two, one positive and another negative
None of the above
- 14. Multiple Choice
An electromagnet does not attract a piece of iron
True
False
- 15. Multiple Choice
When the electric current passes through fuse exceeds a certain limit, the fuse wire melts and breaks
Ture
False
- 16. Multiple Choice
An electric bulb is an example of the heating effect of an electric current
True
False
- 17. Multiple Choice
The coil of wire contained in an electric heater is known as:
Component
Element
Circuit
Spring
- 18. Multiple Choice
The filament of an electric bulb is made of:
Iron
Copper
Tungsten
Aluminum
- 19. Multiple Choice
Which mark is necessary on an electric appliance in India:
AGMARK
ISI
FICCI
KSK
- 20. Multiple Choice
Which kind of lamp is shown in the picture
CFL
LED
Sodium Lamp
Incandescent
- 21. Multiple Choice
Coil of heating devices are made up of:
Mercury
Nichrome
Copper
Tungsten
- 22. Multiple Choice
Which is this type of circuit?
Open circuit
Closed circuit
Both of these
None of these
- 23. Multiple Choice
Full form of MCB is ?
Miniature Circuit Breaker
Minute Circuit Builder
Both of these
None of these
- 24. Multiple Choice
Which is a plug fuse among these ?
- 25. Multiple Choice
this is the symbol for a ___________.
electric cell
electric bulb
switch ' ON '
switch 'OFF'
- 26. Multiple Choice
Our body is a _______________ of electricity ?
Conductor
Insulator
None of these
- 27. Multiple Choice
What is the full form of I S I ?
Indian Space Institute
Indian Standard Institute
Indian Shipping Institute
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