Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
the voltage across the terminals of a cell when it is supplying current to external resistance is known as potential difference or final voltage
the potential difference across the terminals of a cell when it is not supplying any current is known as its
the device which changes chemical energy into electrical energy is called as electric cell battery is a host of constant emf but not constant
are made up of alloys manganin constantan or nichrome these materials have moderate resistivity which is practically independent of temperature so
the characteristics of substance by virtue of which it opposes the flow of current by it is called as the
the charged particles whose flow in a exact direction constitutes the electric current are known as current carriers in separate positions current
the phenomenon of producing a transverse emf in a current carrying conductor on applying a magnetic field perpendicular to the direction of the
a thomsons heat is proportional to the current passing by the conductorb this effect is produced when parts of similar conductor are kept at
a here temperature difference of junction is used to produce thermo emf and vice-versab this effect produced when junctions of a thermocouple are
a heat produced or absorbed at a junction is proportional to the current by the junctionb this effect is produced when current is passed by junction
a heat produced is directly proportional to the square of the current passing by a conductorb this effect is produced because of collision of free
thermoelectric refrigerator the working of thermoelectric refrigerator is totally based on peltier effectthermoelectric generator thermocouple can
a thermocouple is used to calculates very high 20000c as well as very low - 2000c temperature in industries and laboratories the thermocouple used to
in thomsons effect we pact with only metallic rod and not with thermocouple as in peltiers effect and seebecks effect thats why sometimes it is
when current is passed by a junction of two dissimilar solids the temperature is either evolved or absorbed at the node this effect is known as
the rate of modification of thermo emf with the change in the temperature of the hot junction is known as thermoelectric
when the two junctions of a thermo couple are maintained at dissimilar temperatures then a light begins going through the loop called as thermo
if two lines of dissimilar metals are connected at their ends so as to form two junctions then the resulting arrangement is known as a thermo
a secondary cell is that cell is which the electrical energy is first up as a chemical energy and when the current is taken from the battery the
primary cell is that cell in which electrical energy is produced because of chemical energy in the primary cell chemical reaction is irreversible
first law it shows that the mass m of substance deposited at the cathode during electrolysis is directly proportional to the quantity of electricity
it is a method of depositing a thin layer of one metal over one more metal by the method of electrolysis the articles of cheap solids are coated with
the phenomenon of decomposition of electrolyte solution into ions on passing the current by it is called electrolysispractical functions of
normal 0 false false false en-in x-none x-none microsoftinternetexplorer4 normal 0 false false false en-in
the liquids which permits the current to pass by them and also dissociates into ions on passing current by them are named electrolytes eg resolution