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  • A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure12.1. The current recorded in the ammeter will be  (a) maximum in (i)  (b) maximum in (ii)  (c) maximum in (iii)  (d) the same in all the cases

 A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure12.1. The current recorded in the ammeter will be 

(a) maximum in (i) 
(b) maximum in (ii) 
(c) maximum in (iii) 
(d) the same in all the cases 

Answers (1)

Answer: (d)

Solution:
A cell, a resistor, a key and an ammeter are arranged in series as shown in the circuit diagrams.
Current is given as: I = V/R
V and R are equal in all the three circuits, so current remains constant.
In series, the order of elements in the circuit does not matter to the amount of current flowing through it.
Therefore, option (d) is correct.

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infoexpert26

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