Multiple Choice
A metal bar is 20 cm long and has a rectangular cross-section measuring 1.0 cm × 2.0 cm.What is the voltage drop along its length when it carries a 4000-A current? The resistivity of the metal is 1.68 × 10-8 Ω ∙ m.
A) 0.67 V
B) 0.34 V
C) 0.067 V
D) 0.034 V
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q52: The figure shows a graph of the
Q53: For the graph shown in the figure,what
Q54: Determine the current in the 12-Ω resistor
Q55: What is the resistance of a 0.100-kW
Q56: The length of a certain wire is
Q58: What is the magnitude of the potential
Q59: A 5.0-μF,a 14-μF,and a 21- μF.
Q60: In the circuit shown in the figure,R<sub>1</sub>
Q61: When a current flows through an ionic
Q62: Four unequal resistors are connected in a