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the characteristics of substance by virtue of which it opposes the flow of current by it is called as the
free radical addition reactions those reactions that include the initial attack by a free radical are termed as free radical reactions inculcation of
the charged particles whose flow in a exact direction constitutes the electric current are known as current carriers in separate positions current
metaphase chromosomes each metaphase chromosomes is a duplicated structure which consists of two sister chromatids attached at a point called
phases of karyokinesiskaryokinesis can further be divided into prophase metaphase anaphase and telophase1-prophase pro beforechromatin during
at the beginning of the process in an animal cell the partition of the centriole takes place which has been duplicated during interphase but were in
apparently the untwisting unzipping rezipping and retwisting occur sequentially and ensure that each newly formed double helix is exactly like other
nucleophilic addition reactionswhile the addition reaction takes place on account of the initial attack of nucleophile the reaction is known as a
electrophilic addition reactionsa such types of reactions are generally provided by alkynes and alkenesb electrophilic addition reactions of alkynes
the cell cycle undergoes a sequence of changes which involve a period of growth replication of dna followed by cell division this sequence of
types of addition reactionsaddition reactions can be categorized into three categories on the basis of the nature of initiating speciesa
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
wurtz reaction and allylic bromination by n-bromosuccinimidea wurtz reaction - ethyl bromide on treatment along with metallic sodium forms butane
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
free radical replacement reactionsfree radical substitution reactions include the attack by a free radical these reactions happen by free radical
electrophilic substitutions reactionselectrophilic substitution includes the attack by an electrophile it is denoted as se s denotes substitution and
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
types of substitution reactionsaccording to the type of the nature of attacking species substitution reactions are categorized into following three
the rate of modification of thermo emf with the change in the temperature of the hot junction is known as thermoelectric