kailashc2024

Two point charges +q and –q are held fixed at (–d, o) and (d, o) respectively of a x-y coordinate system. Then

1) The electric field E at all points on the x-axis has the same direction

2) Electric field at all points on y-axis is along x-axis

3) Work has to be done in bringing a test charge from ¥ to the origin

4) The dipole moment is 2qd along the x-axis  

You will deposit $2,000 today. It will grow for five years at 12% interest, but compounded semi-annually. You will then withdraw the funds annually over the next four years at the end of each year, with an annual interest rate of 8%.

Your annual withdrawal will be approximately ______.

If 21st and 22nd terms in the expansion of (1 + χ)44 are equal, then χ is equal to

1) 8/7

2) 21/22

3) 7/8

4) 23/24