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Question
For carrying out the experiment, on finding the equivalent resistance of two resistors connected in series, a student sets up the circuit as shown. On further verification, he finds out that the circuit has one or more of the following faults:
(i) The resistors R1 and R2 have not been correctly connected in series
(ii) The voltmeter has not been correctly connected in the circuit
(iii) The ammeter has not been correctly connected in the circuit
Out of these three, the actual fault in the circuit is/are:
For carrying out the experiment, on finding the equivalent resistance of two resistors connected in series, a student sets up the circuit as shown. On further verification, he finds out that the circuit has one or more of the following faults:
(i) The resistors R1 and R2 have not been correctly connected in series
(ii) The voltmeter has not been correctly connected in the circuit
(iii) The ammeter has not been correctly connected in the circuit
Out of these three, the actual fault in the circuit is/are:
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Solution
The correct option is C Both (ii) and (iii)
Both (ii) and (iii) are the faults because:
Resistances are connected in series as same current passes through them. Conventionally voltmeter should be connected in parallel and ammeter should be connected in series
Both (ii) and (iii)
Both (ii) and (iii) are the faults because:
Resistances are connected in series as same current passes through them. Conventionally voltmeter should be connected in parallel and ammeter should be connected in series
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