Multiple Choice
You are given a copper bar of dimensions 3 cm × 5 cm × 8 cm and asked to attach leads to it in order to make a resistor.If you want to achieve the largest possible resistance,you should attach the leads to the opposite faces that measure
A) 3 cm × 5 cm.
B) 3 cm × 8 cm.
C) 5 cm × 8 cm.
D) Any pair of faces produces the same resistance.
Correct Answer:

Verified
Correct Answer:
Verified
Q200: A resistor,an uncharged capacitor,a dc voltage source,and
Q201: A 2.0-μF capacitor and a 4.0-μF capacitor
Q202: A 4.0-Ω resistor is connected with a
Q203: A 200-Ω resistor is rated at 1/4
Q204: In the circuit shown in the figure,the
Q206: A certain 20-A circuit breaker trips when
Q207: A multiloop circuit is shown in the
Q208: A resistor,an uncharged capacitor,a dc voltage source,and
Q209: Which one of the following quantities is
Q210: The resistivity of gold is <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6214/.jpg"