Question

Resistance of a conductor is inversely proportional to ....... of cross-section.

1) Length
2)Area
3) Volume
4) None of these​

Answer 1

Answer:

uniform rod of length 60 cm and mass 6kg is acted upon by two forces as shown in the diagram

The force exerted by 45 cm part of the rod on 15 cm part of the rod is

1) 9 N

2) 18 N

3) 27 N

4)30 Nuniform rod of length 60 cm and mass 6kg is acted upon by two forces as shown in the diagram

The force exerted by 45 cm part of the rod on 15 cm part of the rod is

1) 9 N

2) 18 N

3) 27 N

4)30 N