A sample of Germanium shows no Hall effect. If the mobility of electrons in Germanium is 3500 cm2 /V-sec and that of the holes is 1400 cm2 /Volt-sec, what fraction of the current in the sample is carried by electrons?

unbalanced force

explanation:

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.