What are the similarities between the DC motor that we saw in the previous chapter and a DC generator ?

The structural formula of two organic com-pounds are given below. CH_3-CH_2-CH_2-OH , CH_3-O-CH_2-CH_3 : What is the similarity between these two? What is the phenomenon known as?

We use mechanical energy in generators to move the magnet or coiled conductor continously . In that case what shall be the energy change in a generator ?

See the two compounds given below. What are the similarities between these two compounds?

When we double the separation between two plates by keeping V constant, what happens to total energy stored in the capacitor?

Given below questions are related with heating of an electric ironbox iron . Answer them. What is the relation between intensity of electric current and heat energy generated ?

What is the perimeter of a square of side 5 centimetres. What about a square of perimeter 6 cenitmetres? In what all ways can we say the relation between the length of a side and perimeter of a square?