5. The magnetic field strength is: (a) 1A/m (b) 10A/m (c) 100A/m (d) 1000A/m 6 The magnetic flux density is:
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- 29.5. A magnetic flux of 50 µWb passes through a perpendicular loop of wire having an area of 0.78 m2. What is the magnetic flux density? Ans. 64.1 uT 28 6Certain experiments must be performed in the absence of any magnetic fields. Suppose such an experiment is located at the center of a large solenoid oriented so that a current of I = 3.40 A produces a magnetic field that exactly cancels Earth's 4.50 x 10-5 T magnetic field. Find the solenoid's number of turns per meter. HINT turns/mA small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? a. 7.85 x 10 Tm² b. 1.57 x 10 4 T m² O c. 3.14 x 10 3 T m2 O d. 0 T m2
- A velocity selector in a mass spectrometer, like the one shown below, uses a 0.133 T magnetic field.a. What electric field strength is needed to select a speed of 4.93*10^6 m/s?b. What is the voltage between the plates if they are separated by 1.00 cm?A 1450 turn coil of wire, 6.16 cm in diameter, is in a magnetic field that drops from 0.723 T to 0 T in 41.9 ms. The axis of the coil is parallel to the field. What is the emf (in V) of the coil?ASAP
- 99. A velocity selector consists of electric and magnetic w fields described by the expressions E Bi, with B = 15.0 mT. Find the value of E such that a 750-eV electron moving in the negative x direction is undeflected. = Ek and B = %3D %3D %3D5. Once more, please refer to the figure. This time the charge is 7.98 x 10^-6 C, the magnetic field strength is 2.68 T and the electric field strength is 1.70 x 10^5 N/C. The charge experiences a total force of magnitude 15.00 N as it enters the region. What is its speed as it enters the region? 1.08E+06 m/s 6.38E+05 m/s 4.47E+05 m/s 9.57E+05 m/s