Question Text
Question 1 :
When electric current is flown through a conductor, some amount of:
Question 2 :
If a current $i$ flows steadily through a resistor $R$ for a time $t$. Then total heat energy supplied to the resistor is given by:
Question 3 :
The heating element in an electric iron is made up of :
Question 5 :
From below which one is the equation for Joule's law of heating effect of electricity?<br>
Question 7 :
A/c to Joules's law, if the potential difference across a conductor having a material of specific resistance (P) remains constant, then the heat produced in the conductor is directly proportional to
Question 9 :
When electric bulbs of same power but different marked voltage are connected in series across the power line, their brightness will be:
Question 10 :
An electric iron of heating element of resistance 88 $\Omega$ is used at 220 volt for 2 hours. The electric energy spent, in unit, will be
