Do you know an instrument which can measure terminal P.D. as well as e.m.f.?

Name the instrument which can measure pressure in fluid.

The best instrument for the measurement of e.m.f. of a cell is..... .

A potentiometer is an ideal instrument for measuring potential difference or e.m.f. because

E.m.f. can be measured by

Do you know any step in the TCA cycle where there is substrate level phosphorylation. Which one?

Can you name objects which do not regain their original shape and size when the external force is removed?

Do you know solenoid? Can you compare the magnetic field due to a current carrying solenoid with that due to a bar magnet?

According to Kirchhoff's law, the algebraic sum of products of current and resistance as well as e.m.f.s in a closed loop is

A potentiometer wire has a length 10 m and a resistance 20 Omega . Its terminals are connected to a battery of e.m.f. 4 V and internal resistance 5 Omega . What are the distances at which null points are obtained when two cells of e.m.f.s 1.5 V and 1.3 V are connected so as to assist ?

A potentiometer wire has a length 10 m and a resistance 20 Omega . Its terminals are connected to a battery of e.m.f. 4 V and internal resistance 5 Omega . What are the distances at which null points are obtained when two cells of e.m.f.s 1.5 V and 1.3 V are connected so as to oppose each other ?