A student has two resistors- 2 S2 and 3 S2. She has to put one of them in place of R2 as
shown in the circuit. The current that she needs in the entire circuit is exactly 9A.
Show by calculation which of the two resistors she should choose.
A
12V
B
TWO MARKS TYPE QUESTIONS
Wire X
Wire Y
SRI=4g
23. Out of the two wires X and Y shown below, which one has greater resistance? Justify
your answer
SR2