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संबंधित प्रश्न
Calculate the number of electrons constituting one coulomb of charge.
Draw the electrical symbols of the following components and state its use:
Ammeter.
In 10 s, charge of 25 C leaves a battery, and 200 J of energy are delivered to an outside circuit a result.
What current flows from the battery?
Define the following:
Semiconductors
Find the effective resistance in the following circuit diagrams (Fig.):
The following appliances are to be used on 240 V supply. Calculate the current used by each and say which fuse, 2 amp, 5 amp or 13 amp should be incorporated with each, (i) A television rated at 150 W, (ii) An electric iron rated at 750 W, (iii) An immersion heater rated at 3000 W, (iv) A hair dryer rated at 500 W. How much will it cost to run the television set for 100 days for an average of 4 hours a day at 60 paise per unit?
State the condition when it is advantageous to connect cells in parallel.
What determines the direction of flow of electrons between two charged conductors kept in contact?
An electrical gadget can give an electric shock to its user under certain circumstances. Mention any two of these circumstances.
Define the following:
Conventional current
