Home
Class 12
PHYSICS
Peltier co-efficient of a thermo couple ...

Peltier co-efficient of a thermo couple is 2 nano volts. How much heat is developed at a junction if 2.5 amp current flows for 2 minute

A

6 erg

B

`6xx10^(-7)erg`

C

16erg

D

`6xx10^(-3)erg`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

An electric current of 2.0 A passes through a wire of resistance 25 Omega . How much heat will be developed in 1 minute?

An electric current of 2.0 A passes through a wire of resistance 25 Omega . How much heat will be developed in 1 minute?

The electolysis of acetate solution produces ethane according to reaction: 2CH_3COO^-)toC_6H6(g)+2CO_2(g)+2e^- The current efficiency of the process is 80% . What volume of gases would be produced at 27^(@) C and 740 torr, if the current of 0.5 amp is used though the solution for 96.45 min? (a)6.0L (b)0.60L (c)1.365L (d)0.91L

The electric current existing in a discharge tube is 2.0(mu)A. How much charge is tarnsferred across a cross-section of the tube in 5 minutes ?

Heat of combustion of ethanol to give CO_2 and water at constant pressure and 27^@C is 327 kcal. How much heat is evolved in (cal) in combustion at constant volume at 27^@C ?

The temperature of the cold junction of thermo-couple is 0^(@)C and the temperature of hot junction is T^(@)C . The e.m.f . is E=16T-0.04 T^(2)mu volts. The temperature of inversion is

The thermo emf of a thermocouple , one junction of which is kept at 0^(@)C , is given by varepsilon=at+bt^(2) where a and b constants of the thermocouple . Calculate the neutral temperature and peltier and Thomson coefficients.

The thermo e.m.f. E in volts of a certain thermocouple is found to vary with temperature difference q in .^(@)C between the two junctions according to the relation E=30 theta-(theta^(2))/(15) The neutral temperature for the thermo-couple will be:-

Calculate the quantity of heat produced in a 20Omega resistor carrying 2.5 A current in 5 minutes.

One junction of a certain thermoelectric couple is at a fixed temperature r T and the other junction is at temperature T . The thermo electromotive force for this is expressed by E=K(T-T_(r ))[T_(0)-(1)/(2)(T+T_(r ))] . At temperature T=(1)/(2)T_(0) , the thermoelectric power is