High voltage imply low current so reduces heat / power loss {P=(I^2)R}
joseph rimiru answered the question on December 4, 2017 at 19:53
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Explain how the energy losses are reduced in a transform by having : (a) A soft iron core (b) A laminated core
(Solved)
Explain how the energy losses are reduced in a transform by having :
a. A soft iron core
b. A laminated core
Date posted:
December 4, 2017
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Answers (1)
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State the five terms of the semi empirical mass formula.
(Solved)
State the five terms of the semi empirical mass formula.
Date posted:
November 30, 2017
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Answers (1)
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What is a transistor?
(Solved)
What is a transistor?
Date posted:
November 30, 2017
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Answers (1)
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State the two purposes of the iron core in AC transformer.
(Solved)
State the two purposes of the iron core in AC transformer.
Date posted:
November 30, 2017
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Answers (1)
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State two drawbacks of Thomson's Atomic model.
(Solved)
This is under Atomic Physics
Date posted:
November 29, 2017
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Answers (1)
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State three types of chemical bonding.
(Solved)
This is under solid state Physics.
Date posted:
November 29, 2017
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Answers (1)
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List five applications of friction
(Solved)
List five applications of friction
Date posted:
November 27, 2017
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Answers (1)
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What is friction?
(Solved)
What is friction?
Date posted:
November 27, 2017
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Answers (1)
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State the law of conservation of linear momentum
(Solved)
State the law of conservation of linear momentum
Date posted:
November 27, 2017
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Answers (1)
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State Newton’s third law (law of interaction)
(Solved)
State Newton’s third law (law of interaction)
Date posted:
November 27, 2017
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Answers (1)
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What is dispersion of white light?
(Solved)
What is dispersion of white light?
Date posted:
November 27, 2017
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Answers (1)
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Explain the effects of total internal reflection
(Solved)
Explain the effects of total internal reflection.
Date posted:
November 27, 2017
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Answers (1)
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Explain what total internal reflection is.
(Solved)
Explain what total internal reflection is.
Date posted:
November 27, 2017
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Answers (1)
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State the law of reversibility.
(Solved)
State the law of reversibility.
Date posted:
November 27, 2017
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Answers (1)
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State two factors which affect frictional force of a body
(Solved)
State two factors which affect frictional force of a body
Date posted:
November 27, 2017
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Answers (1)
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Why are sound waves grouped under mechanical waves?
(Solved)
Why are sound waves grouped under mechanical waves?
Date posted:
November 25, 2017
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Answers (1)
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Give examples of waves that fall under electromagnetic waves.
(Solved)
Give examples of waves that fall under electromagnetic waves.
Date posted:
November 25, 2017
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Answers (1)
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Define the term Brownian motion
(Solved)
Define the term Brownian motion
Date posted:
November 25, 2017
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Answers (1)
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Explain why a plane mirror forms images while a white paper does not, yet both reflect light.
(Solved)
Explain why a plane mirror forms images while a white paper does not, yet both reflect light.
Date posted:
November 25, 2017
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Answers (1)
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State the conditions for interference of light to occur
(Solved)
State the conditions for interference of light to occur.
Date posted:
November 24, 2017
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Answers (1)