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QUESTIONS ANSWERS Name the types of steam at points A, B and C by writing only the answer next to the question number (7.5.1-7.5.3) in the ANSWER BOOK QUESTION 8: PARTICLE STRUCTURE OF MATTER (3x1) (3) [11] 8.1 Define the term compound (1) 8.2 Name TWO electrodes used in electrolysis and give the electrical charge of each. (2) 8.3 8.4 Name TWO types of particles situated in the nucleus of an atom. Give THREE examples from practice where electrolytes are used. (2) (3) [8] Copyright reserved Please turn over (15070402) QUESTION 9: ELECTRICITY 9.1 Define the resistivity of a conductor. (1) 9.2 Briefly explain how the length and cross-sectional area of a conductor influence the resistance of the conductor. (2) 9.3 Study the circuit below and answer the questions that follow. E R R₁ ww R Given: R₁ = 3 Q; R₂ = 20; R3 = 30;1₂ = 1.2 A; and I₂ = 2 A Calculate: 9.3.1 The resistance of the resistors connected in parallel 9.3.2 The total resistance of the circuit 9.3.3 The current flowing through the R, resistor 9.4 Give TWO practical applications of electromagnetic induction. 9.5 Give TWO examples of insulators. III = (3 x 2) (6) (2) N [13] TOTAL: 100

QUESTIONS ANSWERS Name the types of steam at points A, B and C by writing only the answer next to the question number (7.5.1-7.5.3) in the ANSWER BOOK QUESTION 8: PARTICLE STRUCTURE OF MATTER (3x1) (3) [11] 8.1 Define the term compound (1) 8.2 Name TWO electrodes used in electrolysis and give the electrical charge of each. (2) 8.3 8.4 Name TWO types of particles situated in the nucleus of an atom. Give THREE examples from practice where electrolytes are used. (2) (3) [8] Copyright reserved Please turn over (15070402) QUESTION 9: ELECTRICITY 9.1 Define the resistivity of a conductor. (1) 9.2 Briefly explain how the length and cross-sectional area of a conductor influence the resistance of the conductor. (2) 9.3 Study the circuit below and answer the questions that follow. E R R₁ ww R Given: R₁ = 3 Q; R₂ = 20; R3 = 30;1₂ = 1.2 A; and I₂ = 2 A Calculate: 9.3.1 The resistance of the resistors connected in parallel 9.3.2 The total resistance of the circuit 9.3.3 The current flowing through the R, resistor 9.4 Give TWO practical applications of electromagnetic induction. 9.5 Give TWO examples of insulators. III = (3 x 2) (6) (2) N [13] TOTAL: 100

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QUESTIONS ANSWERS Name the types of steam at points A, B and C by writing only the answer next to the question number (7.5.1-7.5.3) in the ANSWER BOOK QUESTION 8: PARTICLE STRUCTURE OF MATTER (3x1) (3) [11] 8.1 Define the term compound (1) 8.2 Name TWO electrodes used in electrolysis and give the electrical charge of each. (2) 8.3 8.4 Name TWO types of particles situated in the nucleus of an atom. Give THREE examples from practice where electrolytes are used. (2) (3) [8] Copyright reserved Please turn over (15070402) QUESTION 9: ELECTRICITY 9.1 Define the resistivity of a conductor. (1) 9.2 Briefly explain how the length and cross-sectional area of a conductor influence the resistance of the conductor. (2) 9.3 Study the circuit below and answer the questions that follow. E R R₁ ww R Given: R₁ = 3 Q; R₂ = 20; R3 = 30;1₂ = 1.2 A; and I₂ = 2 A Calculate: 9.3.1 The resistance of the resistors connected in parallel 9.3.2 The total resistance of the circuit 9.3.3 The current flowing through the R, resistor 9.4 Give TWO practical applications of electromagnetic induction. 9.5 Give TWO examples of insulators. III = (3 x 2) (6) (2) N [13] TOTAL: 100
Transcribed Image Text:QUESTIONS ANSWERS Name the types of steam at points A, B and C by writing only the answer next to the question number (7.5.1-7.5.3) in the ANSWER BOOK QUESTION 8: PARTICLE STRUCTURE OF MATTER (3x1) (3) [11] 8.1 Define the term compound (1) 8.2 Name TWO electrodes used in electrolysis and give the electrical charge of each. (2) 8.3 8.4 Name TWO types of particles situated in the nucleus of an atom. Give THREE examples from practice where electrolytes are used. (2) (3) [8] Copyright reserved Please turn over (15070402) QUESTION 9: ELECTRICITY 9.1 Define the resistivity of a conductor. (1) 9.2 Briefly explain how the length and cross-sectional area of a conductor influence the resistance of the conductor. (2) 9.3 Study the circuit below and answer the questions that follow. E R R₁ ww R Given: R₁ = 3 Q; R₂ = 20; R3 = 30;1₂ = 1.2 A; and I₂ = 2 A Calculate: 9.3.1 The resistance of the resistors connected in parallel 9.3.2 The total resistance of the circuit 9.3.3 The current flowing through the R, resistor 9.4 Give TWO practical applications of electromagnetic induction. 9.5 Give TWO examples of insulators. III = (3 x 2) (6) (2) N [13] TOTAL: 100
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