Advertisements
Advertisements
प्रश्न
1 kWh = ______ J.
Advertisements
उत्तर
1 kWh = 3.6 × 106 J.
APPEARS IN
संबंधित प्रश्न
Which quantity has the unit of watt?
Electrical power p is given by the expression P = (Q × V) ÷ time. Express the power P in terms of current and resistance explaining the meaning of symbols used there in.
A simple electric circuit has a 30 V battery and a resistor ot 60 o. What will be the current in the circuit? The resistance of the oonnecting wires is negligible.
An electric iron rated 750 W is operated for 2 hours/day. How much energy is consumed by the electric iron for 30 days?
State three factors on which the heat produced in a metallic wire due to passage of current in it depends.
Why is a concave reflector placed behind the heating element in a room heater.
What changes in energy occur in an electric heater?
How does earthing prevent electrical shock?
Three 250 W heaters are connected in parallel to a 100 V supply, Calculate total current taken from the supply.
