Jamb 2020 Flashcards

(4 cards)

1
Q

High tension transmission is described as?

A

Low current and high voltage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A convex mirror is used as a driving mirror because?

A
  1. Its image are erect

2. It has a large field of view

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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*

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A hydrometer is an instrument for measuring the

A

Relative density of a liquid by method of flotations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly