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प्रश्न
MCB is used to protect household electrical appliances.
विकल्प
True
False
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उत्तर
MCB is used to protect household electrical appliances - true.
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संबंधित प्रश्न
What is the Flow of Charge Called?
Fill in the folloing blank with suitable words:
A current is a flow of ............... .For this to happen there must be a ............... circuit.
Which effect of current is utilised in an electric light bulb?
State the S.I. unit of current.
A switch must be connected in:
(a) Live wire (b) neutral wire
(c) earth wire (d) either earth or neutral wire
State the relation between work, charge and potential difference for an electric circuit.
The circuit diagram in fig shows two coils of an insulated copper wire wound on a cardboard tube. G is a center zero galvanometer.
(a) Describe what will happen when th e swi tch K is cl osed for severa l
seconds and then opened again .
(b) What will be the effect of repeating the experiment with an iron placed in the tube?
