Semiconductors – conducting is by holes
Conductors – conducting is by electrons
Githiari answered the question on September 19, 2017 at 13:25
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Which instrument which can be used to measure the thickness of the hair
(Solved)
Which instrument which can be used to measure the thickness of the hair.
Date posted:
September 19, 2017
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Answers (1)
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State the accuracy of a vernier caliper.
(Solved)
State the accuracy of a vernier caliper.
Date posted:
September 19, 2017
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State the difference between conductors and insulators
(Solved)
State the difference between conductors and insulators
Date posted:
September 19, 2017
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Explain why boiling water is not used to sterilize clinical thermometer.
(Solved)
Explain why boiling water is not used to sterilize clinical thermometer.
Date posted:
September 19, 2017
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State any two reasons why water is not a suitable thermometric fluid.
(Solved)
State any two reasons why water is not a suitable thermometric fluid.
Date posted:
September 19, 2017
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Answers (1)
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State why concrete is usually reinforced with steel in the construction of beams
(Solved)
State why concrete is usually reinforced with steel in the construction of beams.
Date posted:
September 19, 2017
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Answers (1)
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Explain why trees bends towards a busy highway.
(Solved)
Explain why trees bends towards a busy highway.
Date posted:
September 19, 2017
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Answers (1)
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Differentiate between pressure and force
(Solved)
Differentiate between pressure and force
Date posted:
September 19, 2017
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Answers (1)
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State any two special rays used in the construction of ray diagrams
(Solved)
State any two special rays used in the construction of ray diagrams
Date posted:
September 19, 2017
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Answers (1)
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A car can be brought to rest from a speed of 20 ms-1 in a time of 2s.
(i) Calculate the average deceleration
(ii) If the driver’s...
(Solved)
A car can be brought to rest from a speed of 20 ms-1 in a time of 2s.
(i) Calculate the average deceleration
(ii) If the driver’s reaction time is 0.2s, determine the shortest stopping distance
Date posted:
September 19, 2017
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Answers (1)
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State how eddy currents are reduced in a transformer
(Solved)
How are eddy currents in the transformer minimized?
Date posted:
September 19, 2017
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Answers (1)
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State three factors that affect the speed of sound in the air
(Solved)
State three factors that affect the speed of sound in the air
Date posted:
September 19, 2017
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Answers (1)
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Define the term wave
(Solved)
Define the term wave
Date posted:
September 19, 2017
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The number of molecules in 18cm^3 of a liquid is 6 x 10^23. Assuming that the diameter of the
molecules is equivalent to the side of...
(Solved)
The number of molecules in 18cm^3 of a liquid is 6 x 10^23. Assuming that the diameter of the
molecules is equivalent to the side of a cube having the same volume as the molecule. Determine
the diameter of the molecule.
Date posted:
September 19, 2017
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Answers (1)
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State factors affecting the spring constant of the spring
(Solved)
State factors affecting the spring constant of the spring
Date posted:
September 19, 2017
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State factors that determine the force on a current carrying conductor on the magnetic field
(Solved)
State factors that determine the force on a current carrying conductor on the magnetic field
Date posted:
September 19, 2017
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State any three characteristics of images formed by a convex mirror
(Solved)
State any three characteristics of images formed by a convex mirror
Date posted:
September 19, 2017
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State two types of curved mirrors
(Solved)
State two types of curved mirrors
Date posted:
September 19, 2017
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State any two factors the affect the stability of a body
(Solved)
State any two factors the affect the stability of a body
Date posted:
September 19, 2017
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Answers (1)
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State the basic laws of magnetism
(Solved)
State the basic laws of magnetism
Date posted:
September 19, 2017
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Answers (1)