Multiple Choice
The length of a certain wire is doubled while its radius is kept constant.What is the new resistance of this wire?
A) It stays the same.
B) It is 2 times as large.
C) It is 3 times as large.
D) It is 4 times as large.
E) It is 1/2 as large.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q41: When different resistors are connected in parallel
Q42: A 400-W computer (including its monitor)is turned
Q43: Three identical capacitors are connected in series
Q44: What is the voltage drop across a
Q45: As more resistors are added in parallel
Q47: Three resistors with resistances of 2.0 Ω,6.0
Q48: Determine the current in the 4.0-Ω resistor
Q49: Three light bulbs,A,B,and C,have electrical ratings as
Q50: For the graph shown in the figure,what
Q51: An ideal 100-V dc battery is applied