Jamb 2020 Flashcards
(4 cards)
1
Q
High tension transmission is described as?
A
Low current and high voltage
2
Q
A convex mirror is used as a driving mirror because?
A
- Its image are erect
2. It has a large field of view
3
Q
A magnetic needle is suspended first at the earth’s north magnetic pole and then at a point on the magnetic equator. The respective angles between the needle and the horizontal are
A
90*
0*
4
Q
A hydrometer is an instrument for measuring the
A
Relative density of a liquid by method of flotations