Solved

A Rod of Length L and Electrical Resistance R Moves

Question 88

Multiple Choice

A rod of length L and electrical resistance R moves through a constant uniform magnetic field A rod of length L and electrical resistance R moves through a constant uniform magnetic field ; both the magnetic field and the direction of motion are parallel to the rod.The force that must be applied by a person to keep the rod moving with constant velocity is: A) 0 B) BLv C) BLv/R D) B<sup>2</sup>L<sup>2</sup>v/R E) B<sup>2</sup>L<sup>2</sup>v<sup>2</sup>/R ; both the magnetic field and the direction of motion are parallel to the rod.The force that must be applied by a person to keep the rod moving with constant velocity A rod of length L and electrical resistance R moves through a constant uniform magnetic field ; both the magnetic field and the direction of motion are parallel to the rod.The force that must be applied by a person to keep the rod moving with constant velocity is: A) 0 B) BLv C) BLv/R D) B<sup>2</sup>L<sup>2</sup>v/R E) B<sup>2</sup>L<sup>2</sup>v<sup>2</sup>/R is:


A) 0
B) BLv
C) BLv/R
D) B2L2v/R
E) B2L2v2/R

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q80: A 3.5 mH inductor and a 4.5

Q81: An inductance L, resistance R, and ideal

Q82: A current of 10 A in a

Q83: In each of the following operations, energy

Q84: Which statement about eddy currents is false?<br>A)They

Q85: In the diagram, assume that all the

Q86: A long narrow solenoid has length ℓ

Q87: A cylindrical region of radius R contains

Q89: A magnet moves inside a coil.Consider the

Q90: Immediately after switch S in the circuit