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Given information :
We are given 4 setups and we are asked to find the correct set-up for the experiment that involves studying the dependence of current on the potential difference across a resistor .
There are 4 set-ups given each different from the other .
The first set-up has its resistance connected in between the high and low potential . The resistance is above the voltmeter .
The second set-up has its resistance connected in between the high and low potential but the potential difference is not connected between the ammeter and resistor . The ammeter is before the resistor .
The third set-up is the same as the first set-up but for a change . The position of the resistance and the voltmeter are exchanged .
The fourth set-up has both voltmeter and the ammeter connected between the high and low potential .
Answer : OPTION C
Explanation :
The first thing to note is that :-
" The voltmeter is always placed parallel to the resistance connected between the high potential and the low potential " .
This means that we need to cancel the first 2 options because here the voltmeter is not in parallel .
The option D is not correct as the voltmeter is placed parallel to the ammeter which is incorrect .
Hence the correct answer is OPTION C since the voltmeter and the resistor are connected in parallel .
We are given 4 setups and we are asked to find the correct set-up for the experiment that involves studying the dependence of current on the potential difference across a resistor .
There are 4 set-ups given each different from the other .
The first set-up has its resistance connected in between the high and low potential . The resistance is above the voltmeter .
The second set-up has its resistance connected in between the high and low potential but the potential difference is not connected between the ammeter and resistor . The ammeter is before the resistor .
The third set-up is the same as the first set-up but for a change . The position of the resistance and the voltmeter are exchanged .
The fourth set-up has both voltmeter and the ammeter connected between the high and low potential .
Answer : OPTION C
Explanation :
The first thing to note is that :-
" The voltmeter is always placed parallel to the resistance connected between the high potential and the low potential " .
This means that we need to cancel the first 2 options because here the voltmeter is not in parallel .
The option D is not correct as the voltmeter is placed parallel to the ammeter which is incorrect .
Hence the correct answer is OPTION C since the voltmeter and the resistor are connected in parallel .