HIGH SCHOOL QUESTION


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This channel is for students in grades 9-12 to find and discuss academic questions. Get subject-wise problems, exam prep materials, detailed solutions, and study tips to improve your learning.

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Эфиопия, Английский
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Образование
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PHYSICS_PART_2_QUESTION_BANK_WITH_INSTANT_EXPLANATIONS_PRACTICE.pdf
2.2Мб
PHYSICS PART-2
QUESTION BANK WITH INSTANT EXPLANATIONS PRACTICE ORIENTED CATEGORISATIONS

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PHYSICS_PART_2_QUESTION_BANK_WITH_INSTANT_EXPLANATIONS_PRACTICE.pdf
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PHYSICS PART-1 QUESTION BANK WITH INSTANT EXPLANATIONS PRACTICE ORIENTED CATEGORISATIONS

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Mathematics Grade 10 Worksheet(Unit(1-7).pdf
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💻Worksheet Mathimatics

📚Grade 10 Unit 1-7

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physics worksheet for grade 11 from unit 5.pdf
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G 11 Physics Worksheet Questions from Unit 5
70 question with solution.

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How?

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The resistance of a wire is given by Ohm's Law and the formula:
R = p(L/A)
Where:
R = Resistance
P = Resistivity of the material (constant for the same material)
L = Length of the wire
A = Cross-sectional area

Explanation:
If the length L of the wire doubles ()
The cross-sectional area A remains the same
New resistance:

R' = p(2L/A)= 2R

Conclusion:
When the length of the wire is doubled while keeping the cross-sectional area constant, the resistance also doubles.

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5. What is the function of a fuse in an electrical circuit?
Опрос
  •   a) To increase the voltage
  •   b) To prevent excessive current flow
  •   c) To store electrical energy
  •   d) To convert AC to DC
3 голосов


4. Which law states that the current through a conductor is directly proportional to the voltage across it, provided the temperature remains constant?
Опрос
  •   a) Ohm’s Law
  •   b) Kirchhoff’s Voltage Law
  •   c) Faraday’s Law
  •   d) Coulomb’s Law
3 голосов


3. What happens to the resistance of a wire if its length is doubled and its cross-sectional area remains the same?
Опрос
  •   a) It remains the same
  •   b) It is halved
  •   c) It doubles
  •   d) It becomes four times
3 голосов


2. Which of the following materials is a good conductor of electricity?
Опрос
  •   a) Rubber
  •   b) Glass
  •   c) Copper
  •   d) Wood
3 голосов

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