Done Monday October 2013
SECTION O
Answer at least ONE question from this section
Define...
Physics, 09.06.2021 06:20 justritegrl
Done Monday October 2013
SECTION O
Answer at least ONE question from this section
Define intensity of magnetization and magnetic susceptibility
(03 mar
With the aid of a diagram explain what is meant by hysteresis.
(04 mark
Differentiate between magnetically soft and magnetically hard materials.
(04 mer
(b)
An iron ring of mean diameter 10 cm is uniformly wound with 2000 turns of wire. Whe
current of 0.25 A is passed through the coil a flux density of 0.4 T is set up in the iron.
The magnetising force,
(03 m
The relative permeability of the iron under these conditions.
(02 to
A car aerial is 1.5 m long. Calculate the e. m.f across it when the car is avelling at 30 m
west direction. The horizontal component of the earth's field is 18 T. Assume t​
Answers: 3
Physics, 22.06.2019 04:00
Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
Answers: 1
Physics, 22.06.2019 08:50
The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?
Answers: 2
Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
Answers: 1
Mathematics, 03.07.2019 15:30
Mathematics, 03.07.2019 15:30
Mathematics, 03.07.2019 15:30
Mathematics, 03.07.2019 15:30
Chemistry, 03.07.2019 15:30
Social Studies, 03.07.2019 15:30
Advanced Placement (AP), 03.07.2019 15:30
Social Studies, 03.07.2019 15:30
Mathematics, 03.07.2019 15:30
Mathematics, 03.07.2019 15:30
History, 03.07.2019 15:30
Mathematics, 03.07.2019 15:30