Two pieces of conductor of same material and of equal length are connected in series with a cell. One of the two pieces has cross-sectional area double that of the other. Which one of the following statements is correct in this regard ?

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Q: 40 (CDS-I/2015)
Two pieces of conductor of same material and of equal length are connected in series with a cell. One of the two pieces has cross-sectional area double that of the other.
Which one of the following statements is correct in this regard ?

question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,3,37,15,11,11,3

keywords: 

{'conductor': [0, 0, 1, 2], 'stronger current': [0, 0, 0, 1], 'electric current': [0, 1, 0, 6], 'same material': [0, 0, 2, 4], 'thinner one': [0, 0, 0, 1], 'equal length': [2, 0, 1, 2], 'more heat': [0, 0, 6, 2], 'cell': [14, 0, 7, 16], 'same amount': [0, 0, 0, 1]}

In this scenario, two pieces of conductor of the same material and equal length are connected in series with a cell. One of the pieces has a cross-sectional area double that of the other.

Option 1 states that the thicker one will allow a stronger current to pass through it. However, this statement is incorrect. The thickness or cross-sectional area of a conductor does not determine the strength of the current flowing through it. The current flowing through a conductor is determined by the voltage applied to it and the resistance of the conductor.

Option 2 states that the thinner one will allow a stronger current to pass through it. This statement is also incorrect. As mentioned earlier, the thickness or cross-sectional area of a conductor does not determine the strength of the current flowing through it.

Option 3 states that the same amount of electric current will pass through both pieces, but the thicker one will produce more heat. This statement is incorrect. According to Ohm`s Law, the heat produced in a conductor is directly proportional to the square of the current passing through it. Therefore, if the same amount of current passes through both pieces, they will produce an equal amount of heat.

Option 4 states that the same amount of electric current will pass through both pieces, but the