EASY
7th CBSE
IMPORTANT
Earn 100

Which of the following does not allow the electric current to pass through them?
(a)Cell
(b)Impure water
(c)Rubber
(d)Brass

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Important Questions on Electric Current and Its Effects
EASY
7th CBSE
IMPORTANT
Materials which offer maximum resistance and do not allow current to flow through them are called

EASY
7th CBSE
IMPORTANT
Electromagnets are used in

EASY
7th CBSE
IMPORTANT
The higher the resistance, _____ produced.

MEDIUM
7th CBSE
IMPORTANT
Across
1. | A metal having minimum electrical resistance ( 6) |
4. | Melts and breaks circuit ( 4) |
5. | Hindrance to the flow of electric current (10) |
6. | Cells connected in series (7) |
Down
2. | Used for the magnetic separation of iron ore (14) |
3. | Filament of a bulb (8) |
