NECO GCE Physics Obj And Essay/Theory Questions and Answer – NOV/DEC 2017 Expo Runz.
SUBJECT: NECO GCE PHYSICS AND PIN IS ""
2.00 pm – 5.00 pm
SECTION B - ANSWER 4 QUESTIONS
Electrical conductivity the degree to which a specified material conducts electricity, calculated as the ratio of the
current density in the material to
the electric field which causes the
flow of current.
-Low internal resistance Rechargeable
-Has high voltage (2.0V)
-Supply higher current
-To prevent it from rusting
-the magnetic field is made stronger
-the area of the coil is mereased
ii) The upthrust of the fluid to which it fluts
Draw a table
i) Reducing the contact between the surfaces.
ii) Application of grease
total distance travelled
SECTION A - ANSWER 6 QUESTIONS(COMPLETED)
-Regular maintenance is essential to keep machines and the work environment safe and reliable.
-It helps to eliminate workplace hazards.
1aii) Electrolysis can be used for electroplating of metals. expand in length by a fraction
A couple is a pair of forces, equal in magnitude, oppositely directed, and displaced by perpendicular distance or moment.
i)The forces exerted by one's hand on a screw-driver
ii)The forces exerted by the tip of a screw-driver on the head of a screw
critical angle is the angle of incidence beyond which rays of light passing
through a denser medium to the
surface of a less dense medium
are no longer refracted but totally
-Light travels as transverse waves and can travel through a vacuum.
-Sound travels as longitudinal waves and needs to travel through a solid, liquid or gas.
i)wrapping the coil around an iron core.
ii)adding more turns to the coil.
iii)increasing the current flowing through the coil.
i)they dont move around
ii)they are rigid and dont flow
i)liquids slosh around
ii)the maintain the shape of their container
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: Neco Gce 2017 Physics Obj And Essay Solution Answer – Nov/Dec Expo
: NECO GCE Physics Obj And Essay/Theory Questions and Answer – NOV/DEC 2017 Expo Runz. SUBJECT: NECO GCE PHYSICS AND PIN IS "...