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प्रश्न
State the S.I. units of electrical power.
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उत्तर
The S.I. unit of electrical power is Watt.
संबंधित प्रश्न
Draw the electrical symbols of the following components and state its use:
Rheostat (variable resistance)
Why should the resistance of:
an ammeter be very small?
State the factors on which the strength of electric current flowing in a given conductor depends.
Tell the odd one out. Give a proper explanation.
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 series.
State the conditions for the flow of charge in a circuit from one point to the other.
Give the electric current unit.
Which of the following represents voltage?
