Advertisements
Advertisements
Question
Unscramble the following words:
SFEU
Advertisements
Solution
FUSE
APPEARS IN
RELATED QUESTIONS
Why does the cord of an electric heater not glow while the heating element does?
Why is a series arrangement not used for connecting domestic electrical appliances in a circuit?
The current passing through an electric kettle has been doubled. The heat produced will become:
(a) half
(b) double
(c) four time
(d) one-fourth
Give a scientific reason.
Tungsten metal is used to make a solenoid type coil in an electric bulb.
Solve the following example.
Two tungsten bulbs of wattage 100 W and 60 W power work on 220 V potential difference. If they are connected in parallel, how much current will flow in the main conductor?
The ‘live’ and the ‘neutral’ wires have potential difference of _______.
A coil of an alloy _______ is used in electric heater cooker as a resistor.
Write two devices based on the heating effect of electric current.
Name any two appliances which works on the phenomenon of heating effect of electric current.
What is the heating effect of electric current?
