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प्रश्न
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उत्तर
Electric intensity is defined as the force experienced by a unit positive charge when kept at that point.
Its SI unit is newton per coulomb. It is a vector quantity.
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संबंधित प्रश्न
What is the current in a circuit if the charge passing each point is 20 C in 40 s?
Which effect of current is utilised in the working of an electric fuse?
An electric kettle has a heating element which is rated at 2 kW when connected to a 250 V electric supply. Calculate the
(a) Current which flows in the element when it is connected to a 250 V supply,
(b) Resistance of the filament,
(c) Heat produced in 1 minute by the element,
(d) Cost of running the kettle for 10 minutes a day for 30 days of the month, at the rate of Rs. 3.00 per unit.
What is the speed of electric current?
What does the direction of current convey?
