Multiple Choice
Copper has 8.5 × 1028 current carrying electrons per m3. A copper wire carries a current of 17 mA, and the drift velocity of the electrons is measured to be 18 × 10−6 m/s. What is the wire's radius?
A) 0.15 mm
B) 0.27 mm
C) 2.7 mm
D) 1.5 mm
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q30: A carbon resistor is made of a
Q31: A three-cell flashlight has 3 batteries in
Q32: In the diagram, if the current through
Q33: A wire of radius 0.15 mm is
Q34: A series circuit consists of a 12.0
Q36: A bird can safely land on a
Q37: A 12.0 V battery has an internal
Q38: Two capacitors of values 6.0 mF and
Q39: An electron beam contains 1.5 × 10<sup>17</sup>
Q40: Two carbon cylinders have radii 2r and