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Polytech Bamenda | National Higher Polytechnic Institute of the University of Bamenda

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Polytech Bamenda | National Higher Polytechnic Institute of the University of Bamenda

NUMBER OF PAGES: 76

Note: This Book is a PDF File and so is available online only. Once your Payment is made, you will receive an automatic download link into your email address.

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 Competitive Entrance Examination into the First Year of 2018/2019 Academic Year

Paper Il: Part A: Physics, Part B: Chemistry Paper Type:

General Education, Duration: 1hours Each question carries one (1) mark

Part A: Physics: 01-20

l) If a body is charged to a potential of +20 V and connected to the earth with a copperwire then

 A) Electrons flow from the body to the earth.

B) protons flow from the body to the earth

C) protons flow from the earth to the body

D) electrons flow from the earth to the body

FRE • Si un corps est chargé a un potentiel de +20 V et mis à la masse avec un fil de cuivre

alors

A) Les électrons circulent du corps à la terre.

B) Les protons circulent du corps à la terre.

C) Les protons s'écoulent de la terre vers le

corps.

D) Les électrons circulent de la terre vers le corps.

2)The heart of a normal human being beats 72 times every minute. The period of the heart beat in seconds is

A) 1.2 B) 0.8 C) 1 0 D) 72

FRE : Le cœur d'un être humam normal bat 72 fois par minute. La pénode du rythme cardiaque

en secondes est : A) 1.2 B) 0.8 C) 1 0 D) 72

3) The resistivity of a metal is 5.00X10e-8ohm meter at 25 0C and 5.20x108 Ώ.m at 1025 oc. The temperature coefficient of resistivity of the metal in K-l is

A) B) 8.02x10-3

 C) D) 6.80x10-3

FRE :La résistivité d'un métal est de5 8 n.m à 25 0C et 5.20xlO 8 Q.rn à 1025 o c. Le coefficient de température de la résistlvité en K-1 est

A) B) 8.02x10-3 C) D) 6.80x10-3

4) An example of a perfect thermal insulator is

A) Carbon B) polythene C) vacuum D) air

FRE • Un exemple d' isolant thernmque parfait est

A) Le carbone B) le polyéthylène C) le vide D) l'air.

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 6) A wire of length 200 m carrymg a current I is placed perpendicular to a magnetic field of flux density B = 10-4 T . If the force exerted on the cable is 1.4 N then the curent ln the cable in amperes

 A) 40 B) 55 C) 70 D) 85

FRE : Un fil de longueur 200 m dans lequel circule un courant électrique I est placé perpendiculairement à un champ maglétique de densité de flux B = 104 T. Si la force exercée sur le câble est de 1.4 N alors le courant dans le câble en ampères est

 A) 40 B) 55 C) 70 D) 85

7) The graph ln figure 2 which shows how the activity of a radioactive sample( y-axis) varies With time (x-axis) is

FRE : Le gaphique de la figure 2 qui montre comment l'activité d'un echantlllon radioactif...

Buy the Complete Booklet

 

Featuring:  

  • MATHS GENERAL
  •  MATHS TECHNICAL
  •  MATHS MINING
  •  PHYSICS GENERAL
  • CHEMISTRY FOR ALL GENERAL
  • PHYSICS FOR MINING ENG
  •  APPLYMECHANICS FOR MECE TECHNICAL
  • BASICS OF EEE FOR E\ E TECHNICAL
  • APPLYMECHANICS FOR CIVIL ENG TECHNICAL
  • Some Proposed Solutions to Mathematics, Physics and Chemistry Papers

NUMBER OF PAGES: 76

Note: This Book is a PDF File and so is available online only. Once your Payment is made, you will receive an automatic download link into your email address.

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