Which of these, both of the same length, has the greater electrical resistance?
A) a thick copper wire
B) a thin copper wire
C) both about the same
D) need more information
Answer: B
You might also like to view...
Two flat conductors are placed with their inner faces separated by 6.0 mm. If the surface charge density on one of the inner faces is 40 pC/m2, what is the magnitude of the electric potential differences between the two conductors?
a. 36 mV b. 18 mV c. 32 mV d. 27 mV e. 14 mV
An electron is bound in an infinite well (a box) of width 0.10 nm. If the electron is initially in the n = 8 state and falls to the n = 7 state, find the wavelength of the emitted photon
(c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, mel = 9.11 × 10-31 kg) What will be an ideal response?
A concave spherical mirror with a radius of curvature of 20 cm creates a real image 30 cm from the mirror. How far is the object from the mirror?
A) 20 cm B) 15 cm C) 7.5 cm D) 5.0 cm
Torque in the metric system is measured in units of
A. N s. B. N/m. C. N. D. N rad. E. N m.