Home
Class 12
PHYSICS
A battery is connected to a thermocouple...

A battery is connected to a thermocouple of copper and iron. The two junctions will be

A

at the same temperature

B

heated up

C

neither heated up nor cooled

D

undergoing thermo electric effect leading to the heating of one junction and cooling of the other.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Write two alloys of copper and their uses.

A battery has e.m.f. 4V and internal resistance r . When this battery is connected to an external resistance of 2 Omega , a current of 1A flows in the circuit. How much current will flow if the terminals of the battery are connected directly.

The thermo e.m.f. of a thermocouple is 25 uV//"^@C at room temperature. A galvanometer of 40 Omega resistance, capable of detecting current as low as 10^-5A , is connected with the thermocouple. The smallest temperature difference that can be detected is

p -type crystal of a p-n junction diode is connected to a positive terminal of battery and n -type crystal connected to negative terminal of battery

Two electrolytic cells, one containing acidified ferrous sulphate and other containing acidified ferric sulphate are connected in series. The ratio of iron deposited at cathodes in the two cells will be respectively