Electric iron draws a current of 8 A from 220 V supply. What is the cost of using the iron 5 hours every day for one month? The rate of unit cost is Rs. 9
An electric heater rated 220V and 2.2 kw works for 3 hours. Find the energy consumed and the current drawn by it.
Who discovered the magnetic effect of current?
What is meant by magnetic effect of electricity ?
Write the full form of LED and CFL. OR What is the fullform of LED and CFL.
Draw a well labelled diagram of filament bulb.
The fluorescent lamp of 60 Wis brighter than filament lamp of same power, why ?
Differentiate between filament lamp and fluorescent lamp.
What is the role of mercury in fluorescent lamp? SLC2072
How does the fluorescent lamp convert electrical energy to light energy?
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