Advertisements
Advertisements
प्रश्न
When a current I flows through a resistance R for time t, the electrical energy spent is given by ______.
पर्याय
IRt
I2Rt
IR2t
I2R/t
Advertisements
उत्तर
When a current I flows through a resistance R for time t, the electrical energy spent is given by I2Rt.
Note: Electrical energy (W) = I²Rt = VIt = `("V"^2"t")/"R"`
APPEARS IN
संबंधित प्रश्न
What is consumed while using different electrical appliances, for which electricity bills are paid?
An electric toaster draws current 8 A in a circuit with source of voltage 220 V. It is used for 2 h. Find the cost of operating the toaster if the cost of electrical energy is ₹ 4.50 per kWh.
Find out the energy conversion that take place in the following.
Electric Iron box : _______ _______
Find out the energy conversion that takes place in the following.
Electric fan : ________
Find out the energy conversion that takes place in the following.
Speaker ______.
Electrical energy is used to run electric trains.
What are the different forms of energy?
Electric eel is a ______.
Electric eel can generate ______.
What is electric energy?
What are the different ways electricity can be generated?
Write the uses of Electric energy.
Name the physical quantity which is measured in kWh.
Name the physical quantity which is measured in Wh.
A bulb of power 60 W is used for 12.5 h each day for 30 days. Calculate the electrical energy consumed.
