2016 - WAEC Physics Past Questions and Answers - page 5

A 10$\mu$C charge moves with a velocity of 1.0 x 10⁵ ms^-1 at right angle to a uniform magnetic field of flux density 5.0 x 10^-4T. Calculate the force on the charge

Which of the following statements is not correct about steel and soft iron?

What determines the polarity at the ends of an electromagnet? The

How many beta particle(s) are emitted in the radioactive decay of ${}_{79}^{198}Au{\leftarrow }_{80}^{198}Hg$?

The phenomenon by which two light atomic nuclear combine to form a heavy nuclide with the release of energy is known as

In a p-type semiconductor, the

Let $\mathrm{\Delta }$x be the uncertainty in the measurements of position and $\mathrm{\Delta }$p the uncertainty in measurement of momentum. The uncertainty principle relation is given as