Answer / rishav kumar

Ammetre is connected in series because - it contain very low
resistance . And also current is also moves in a straight
line in - to + so ammetre is nessesary for shifting in
straight line or in series.
voltametre is conected in parallel because - it contain
high resistance which can change the value of electric
current. voltametre gives p.d between two points .

Answer / umesh prabhu

In series the current has to flow through all the elements
or load, and in a single circuit the same current flow from
positive potential to the negative potential therefore to
measure the total current produced in a circuit we should
connect the ammeter in series and that is the same reason
also why the current is same in a series connected load.
The voltmeter measures the potential difference between two
points i.e. from higher to lower(drop) or lower to higher
(rise)so to measure a voltage in a battery we have to
connect the voltmeter across the battery whereby it get
connected between positive potential and negative potential
similar is the way to measure voltage across any load or
device that is the reason why a voltmeter is connected in
parallel(i.e. across) the load.

Answer / atinderpaul

In series the current has to flow through all the elements
or load, and in a single circuit the same current flow from
positive potential to the negative potential therefore to
measure the total current produced in a circuit we should
connect the ammeter in series and that is the same reason
also why the current is same in a series connected load.
The voltmeter measures the potential difference between two
points i.e. from higher to lower(drop) or lower to higher
(rise)so to measure a voltage in a battery we have to
connect the voltmeter across the battery whereby it get
connected between positive potential and negative potential
similar is the way to measure voltage across any load or
device that is the reason why a voltmeter is connected in
parallel(i.e. across) the load.

Answer / rajat gupta

if the voltmeter connect in series and ammeter connect in parallel the ammeter is burn because rheostat has resistance and also volt meter has resistance so the ammeter is burn............................ 2010

THREE IS EQUAL TO FOUR

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