Two solenoids, A and B, are wound using equal lengths of the same kind of wire. The length of the axis of each solenoid is large compared with its diameter. The axial length of A is twice as large as that of B, and A has twice as many turns as B. What is the ratio of the inductance of solenoid A to that of solenoid B?
1.4
2.2
3.1
4.1/2
5.1/4
4
You might also like to view...
What feature(s) of this spectrum indicate(s) that Mars appears red in color?
A) the wavelength of the peak labeled 3 B) the wavelength of the peak labeled 6 C) the fact that the intensity of region 4 is higher than that of region 2 D) the fact that the peak labeled 3 is higher than the peak labeled 6
How many turns should a 10-cm long solenoid have if it is to generate a 1.5 × 10-3 T magnetic field on 1.0 A of current?
A) 12 B) 15 C) 120 D) 1200 E) 3200
A 30 cm long organ pipe is filled with air and is open at one end and closed at the other. The velocity of sound in air at 0
is 331 m/s. What is the wavelength of the fundamental mode?
A. 1.4 m B. 1.6 m C. 1.8 m D. 1.0 m E. 1.2 m
What is the principal evidence that new plate material is continually being formed?
What will be an ideal response?