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प्रश्न
Unscramble the following words:
HTRCO
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उत्तर
TORCH
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संबंधित प्रश्न
Name the scientist who discovered the magnetic effect of current.
Fill in the following blank with suitable words:
If a coil is viewed from one end, and the current flows in a clockwise direction, then this end is a ........... pole.
Describe some experiment to show that the magnetic field is associated with an electric current.
Name one device which works on the magnetic effect of current.
When the switch S is closed in the figure given below, the pointer of the galvanometer moves to the right.
If S is kept closed, will the pointer:
(a) return to zero?
(b) stay over on the right?
(c) move to the left and stay there
(d) move to and fro until S is opened
How should the electric lamps in a building be connected so that the switching on or off in a room has no effect on other lamps in the same building?
Write the correct option by observing the figures.
Name any two appliances which works on the phenomenon of magnetic effect of electric current.
What is that instrument which can detect the presence of electric current in a circuit?
Why do we cover plug pin holes which are within the reach of children with cellotape or a plastic cover when not in use?
