State why alternating current (a.c) is used for transmitting electricity over long distances - ATIKA SCHOOL

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State why alternating current (a.c) is used for transmitting electricity over long distances

21/7/2020

K.C.S.E Physics Q & A - MODEL 2012PP2QN012

State why alternating current (a.c) is used for transmitting electricity over long distances

answer

Alternating current can be stepped up, or enhances reduced power losses;

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Introduction to Physics (4 Lessons)
Measurements 1 (12 Lessons)
Force (16 Lessons)
Pressure (24 Lessons)
Particulate Nature of Matter (12 Lessons)
Thermal Expansion (12 Lessons)
Heat Transfer
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Electrostatics (12 Lessons)
Cells and Simple Circuits (12 Lessons)

FORM II - PHYSICS SYLLABUS

Magnetism (12 Lessons)
Measurements II (16 Lessons)
Turning Effect of Force (10 Lessons)
Equilibrium Centre of Gravity (12 Lessons)
Reflection at Curved Surfaces (16 Lessons)
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Hooke's Law (8 Lessons)
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Fluid Flow (14 Lessons)

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Linear Motion (20 Lessons)
Refraction of Light (20 Lessons)
Laws of Motion (15 Lessons)
Energy, Power and Machines (20 Lessons)
Current Electricity (20 Lessons)
Waves II(10 Lessons)
Electrostatics II (15 Lessons)
Heating Effect of Electric Current (10 Lessons)
Quantity of Heat (20 Lessons)
Gas Laws (15 Lessons)

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Thin Lenses (20 Lessons)
Uniform Circular Motion (10 Lessons)
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Electromagnetic Spectrum (15 Lessons)
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Mains Electricity (10 Lessons)
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Photoelectric Effect (15 Lessons)
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Electronics (10 Lessons)

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