Question Detail

PHY 102 Last Minute Prep Objective Question
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Question

Which one of the following is the advantage of connecting two dry cells in parallel than in series?
Options
A gives twice the EMF of one dry cell
B has no internal resistance
C generates heat in an external circuit half as fast as would a single cell
D has half the internal resistance of a single cell
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Parallel resistors (including internal ones) result in a smaller equivalent resistance

Hint

Parallel connections lower internal resistance while keeping EMF constant.

Question Info

Course: PHY 102
Topic: Last Minute Prep
Type: Objective
Difficulty: Not specified
Question 1659 of 1819
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