Question Text
Question 2 :
Which of the following is the correct symbol of an electric bulb?
Question 3 :
The safety device based on the heating effect of electric current is called a _____________.
Question 5 :
If the filament of the bulb is broken, would the bulb still glow?
Question 6 :
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In the circuit shown in the above figure, what will be the order in which the bulbs A, B and C will glow when the switch is moved to the ‘ON’ position?
Question 7 :
If the filament of the bulb is broken, would the circuit be complete?
Question 8 :
When an electric current flows through a wire , the wire gets _____ .
Question 9 :
On what factors the amount of heat produced in a wire depends on?
Question 10 :
Longer line in the symbol for a cell represents its ___________terminal.
Question 11 :
When the current flows through a wire, does the wire behave like a magnet?
Question 12 :
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Three bulbs A, B, C are connected in a circuit as shown in figure. When the switch is ‘ON’
Question 13 :
What is correct about a switch when it is in OFF position?
Question 15 :
Name the device used these days in place of electric fuses in electrical circuits.