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प्रश्न
______ is used to measure the electric current.
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उत्तर
Ammeter is used to measure the electric current.
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संबंधित प्रश्न
Give three reasons why different electrical appliances in a domestic circuit are connected in parallel.
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Name two effects produced by electric current.
Distinguish between an open and a closed circuit.
A 720 W heater operates from a 220 V line voltage. Calculate:
(a) The electrical energy consumed by the heater in 3 h.
(b) The cost of electrical energy consumption at the rate of 60 paise per kWh.
What is the purpose of fuse in an electrical 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?
