An electric bulb is connected to a $220 \ V$ generator. The current is $0.50 \ A$. What is the power of the bulb?

Why should the melting point of a fuse wire be low?

Three $V-I$ graphs are drawn individually for two resistors and their series combination. Out of $A, B, C$,which one represents the graph for the series combination of the other two? Give a reason for your answer.

Which effect of electric current is used in electroplating?

In a household,$5$ tube lights of $40 \text{ W}$ each are used for $5 \text{ hours}$ and an electric press of $500 \text{ W}$ for $4 \text{ hours}$ everyday. Calculate the total energy consumed by the tube lights and press in a month of $30 \text{ days}$.

Which of the following formulas represents voltage $(V)$?