7 The spinning of electrons causes the ............. magnetism with the external magnetic field d a. polarization but of... 查看全部
An electric dipole when placed in a uniform electric field E will be at equilibrium, if the positive direction of dipole... 查看全部
The magnetic moment for the square loop with side a and current l is O a. Ia o b. 1 a² C. Zero d. 123
Find the curl of F=y3i+xyj-zk o a. xу і b. (y3+y2); C. (2y+3y2); d. (y-3y2)k
1 a 1 w au, Divergence: V =- -) + + sas são az Curl: VX- + au, ao a: as IF the magnetic potential A = Cs* then the curre... 查看全部
Question 11 A spherical sphere with radius a has a frozen polarization Not yet answered P(t)= then the surface bound cha... 查看全部
A 20 kg block on a rough horizontal surface moves toward a spring of force constant k = 2000 N/m. The speed of the block... 查看全部
What is the direction of the magnetic force on the negative charge in the figure? a. to the left b. up c. to the right
Question 2 Not yet answered A current in a wire bent into the shape of a equatorial triangle (@pur geta) ita is the dist... 查看全部
A small charge 40N/C is found in a uniform electric field 69kN/C. Determine the force on the charge.Thank you for answer... 查看全部