Advertisements
Advertisements
प्रश्न
Express watt-hour in joules.
Advertisements
उत्तर
\(1\text{ Wh} = 1\text{ Watt} \times 1\text{ hour}\)
\(= 1\text{ J/s} \times (60 \times 60)\text{ s}\)
\(= 1 \times 3600\text{ J}\)
\(= 3,600\text{ J}\)
\(= {3.6 \times 10^3\text{ J}}\)
APPEARS IN
संबंधित प्रश्न
Which particles are responsible for current in conductors?
What is the SI unit of electric energy?
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 24 V battery and a resistor of 60 Ω. What will be the current in the circuit? The resistance of the connecting wires is negligible.
What is the current in the circuit shown (Fig. )
Water in an electric kettle connected to a 220 V supply took 5 minutes to reach its boiling point. How long will it take if the supply voltage falls to 200 V?
Why is the electric power from the generating station transmitted at high voltage?
How is the amount of heat produced calculated due to the passage of current in a metallic conductor? Derive an expression for it.
An electric kettle is rated 3kW, 250V. What should be the current capacity of the fuse with it?
1 mV is equal to:
