# NECO 2017 PHYSICS obj/theory/essay ANSWERS & EXPO Runz – JUNE/JULY 8

## NECO 2017 PHYSICS obj/theory/essay ANSWERS & EXPO Runz – JUNE/JULY 8

NECO 2017 PHYSICS obj/theory/essay ANSWERS & EXPO Runz – JUNE/JULY 8 – Neco questions and answer on physic expo runz now available. past answers to physics questions and answers 2016. exam.

Presently VERIFIED NECO 2016 PHYSICS PRACTICAL QUESTIONS AND ANSWERS

As a matter of fact NECO = National Examination Council takes care of a transitional exams that takes student’s from one level to the next. This exam is done both at the Junior and senior level in all Unity schools of the federation likewise private schools.

1aix)
i. i avoided error due to parallel
ii. i ensured that the mass is gently dropped into the liquid

(1bi)
Archimedes principle states that when a body is wholly or partly immersed in a liquid the weight of the body is equal to the mass of the fluid displaced.

1bii)
volume of the wood = 2.0 × 10^-5m^3
mass = 5.0 × 10^-3kg
g = 10.0ms^-2
density of water = 1.0 × 10^3kgm^-3
volume of object = mass/density
density = mass/volume
density of the object = mass of the object/volume
= 5.0×10^-3/2.0×10^-5
= 2.5×10^2kgm^3
upthrust = volume 0f the object × density of liquid × g
=2.0×10^-5 × 1.5×10^2×10
Finally = 0.3N.

## NECO 2017 PHYSICS obj/theory/essay ANSWERS & EXPO Runz – JUNE/JULY 8

3)
R(N) – |2.00| |4.00| |6.00| |8.00| |10.00|
1(A) – |2.85| |2.21| |2.00| |1.75| |1.65|
R^-1 – |0.5| |0.25| |0.17| |0.13| |0.10|

PRECAUTIONS
i)i ensured clean terminals
ii)i avioved zero error on the ammeter used
iii)i ensured tight connection of all wires

3b)
ohm’s law states that the current flowing through a metallic conductor is proportional to its portential difference provided that physical condition is constant i.e V x I .

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NECO 2017 PHYSICS obj/theory/essay ANSWERS & EXPO Runz – JUNE/JULY 8 ||

» Finally neco 2016 » Neco 2016 Physics practical Answers – june/July NECO 2016 PHYSICS PRACTICAL ANSWERS – JUNE/JULY.  furthermore7 June 2016 Neco 2017 Physics practical Answers – june/July VERIFIED Above all NECO 2016 PHYSICS PRACTICAL QUESTIONS AND ANSWERS Tuesday 8th june PHYSICS PRACTICAL 10:00am-12:45p.m

1aix) i. i avoided error due to paralle.

ii. i ensured that the mass is gently dropped into the liquid.

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(1bi) Archimedes principle states that when a body is wholly or partly immersed in a liquid the weight of the body is equal to the mass of the fluid displaced.

## NECO 2017 PHYSICS obj/theory/essay ANSWERS & EXPO Runz – JUNE/JULY 8

1bii) volume of the wood = 2.0 × 10^-5m^3 mass = 5.0 × 10^-3kg g = 10.0ms^-2 density of water = 1.0 × 10^3kgm^-3 volume of object = mass/density density = mass/volume density of the object = mass of the object/volume = 5.0×10^-3/2.0×10^-5 = 2.5×10^2kgm^3 upthrust = volume 0f the object × density of liquid × g =2.0×10^-5 × 1.5×10^2×10 = 0.3N 3) TABULATE READINGS R(N) – |2.00| |4.00| |6.00| |8.00| |10.00| 1(A) – |2.85| |2.21| |2.00| |1.75| |1.65| R^-1 – |0.5| |0.25| |0.17| |0.13| |0.10| PRECAUTIONS.

i)i ensured clean terminals ii)i avioved zero error on the ammeter used iii)i ensured tight connection of all wires 3b) ohm’s law states that the current flowing through a metallic conductor is proportional to its portential difference provided that physical condition is constant i.e V x I.

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