To study the dependence of potential difference (V) on current I across Resistor (R), four circuit diagrams are prepared.
(i) Select the circuit diagrams which are correct.

(ii) Give reason for the circuit diagrams which are not correct.

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Solution

(1) Circuit diagrams (I) and (III) are correct.

(ii) Circuit diagram (II) is incorrect because ammeter is always connected in series with the resistor and voltmeter is always connected in parallel to the resistor.

Circuit diagram (IV) is incorrect because the negative (- ve) terminal of the ammeter and the voltmeter is connected to the positive (+ve) terminal of the battery.

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To study the dependence of potential difference (V) on current I across Resistor (R), four circuit diagrams are prepared. (i) Select the circuit diagrams which are correct. (ii) Give reason for the circuit diagrams which are not correct.

To study the dependence of potential difference (V) on current I across Resistor (R), four circuit diagrams are prepared.
(i) Select the circuit diagrams which are correct.

(ii) Give reason for the circuit diagrams which are not correct.