1. Prevents unwanted flow of charges between the positive end (brass cap) and the negative end (metal casing)
2. Supports the gold leaf.
chrispohmomanyi answered the question on October 9, 2017 at 10:59
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State two ways of increasing the size of the image in a pinhole camera.
(Solved)
State two ways of increasing the size of the image in a pinhole camera.
Date posted:
October 4, 2017
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Answers (1)
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State one advantage of fitting wide tyres on a vehicle that moves on murram roads.
(Solved)
State one advantage of fitting wide tyres on a vehicle that moves on murram roads.
Date posted:
October 4, 2017
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Answers (1)
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A person alighting from a moving matatu tends to spread his legs. Explain why.
(Solved)
A person alighting from a moving matatu tends to spread his legs. Explain why.
Date posted:
October 4, 2017
.
Answers (1)
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State the function of the following features in a liquid in glass thermometer.
1. Thin walled bulb
2. Thick walled stem.
(Solved)
State the function of the following features in a liquid in glass thermometer.
1. Thin walled bulb
2. Thick walled stem.
Date posted:
October 4, 2017
.
Answers (1)
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State two effects of anomalous expansion of water.
(Solved)
State two effects of anomalous expansion of water.
Date posted:
October 4, 2017
.
Answers (1)
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Explain the function of the small hole at the side of the cover of a ball point pen.
(Solved)
Explain the function of the small hole at the side of the cover of a ball point pen.
Date posted:
October 4, 2017
.
Answers (1)
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State and explain how stability of the candle changes as it continues to burn.
(Solved)
State and explain how stability of the candle changes as it continues to burn.
Date posted:
October 4, 2017
.
Answers (1)
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Explain why a lady wearing sharp heeled shoes is not likely to skid on a slippery mud road.
(Solved)
Explain why a lady wearing sharp heeled shoes is not likely to skid on a slippery mud road.
Date posted:
October 2, 2017
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Answers (1)
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Explain why a ship made of steel will float on water while a coin made of steel sinks.
(Solved)
Explain why a ship made of steel will float on water while a coin made of steel sinks.
Date posted:
October 1, 2017
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Answers (1)
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Why is Brownian motion only exhibited by small particles?
(Solved)
Why is Brownian motion only exhibited by small particles?
Date posted:
October 1, 2017
.
Answers (1)
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Explain why a magnet would demagnetize when held in East-west direction.
(Solved)
Explain why a magnet would demagnetize when held in East-west direction.
Date posted:
October 1, 2017
.
Answers (1)
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Explain why it is dangerous for a diver to stay for long time under deep water.
(Solved)
Explain why it is dangerous for a diver to stay for long time under deep water.
Date posted:
October 1, 2017
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Answers (1)
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State two properties which makes the oil suitable for use in machines
(Solved)
State two properties which makes the oil suitable for use in machines
Date posted:
September 28, 2017
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Answers (1)
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Give a reason why ink is most likely to ooze out of a pen when one is up in a plane.
(Solved)
Give a reason why ink is most likely to ooze out of a pen when one is up in a plane.
Date posted:
September 28, 2017
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Answers (1)
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Explain why ice skaters use sharp – edged shoes to slide on ice.
(Solved)
Explain why ice skaters use sharp – edged shoes to slide on ice.
Date posted:
September 28, 2017
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Answers (1)
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A body is initially in motion. If no external force acts on the body, describe the subsequent motion.
(Solved)
A body is initially in motion. If no external force acts on the body, describe the subsequent motion.
Date posted:
September 28, 2017
.
Answers (1)
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Apart from friction, name another factor that reduces efficiency in machines.
(Solved)
Apart from friction, name another factor that reduces efficiency in machines.
Date posted:
September 28, 2017
.
Answers (1)
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Define the term local action
(Solved)
Define the term local action
Date posted:
September 28, 2017
.
Answers (1)
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Describe one method of determining the diameter of the oil drop
(Solved)
Describe one method of determining the diameter of the oil drop
Date posted:
September 27, 2017
.
Answers (1)
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Explain why soft iron core is more suitable than steel core for use in the electromagnet.
(Solved)
Explain why soft iron core is more suitable than steel core for use in the electromagnet.
Date posted:
September 27, 2017
.
Answers (1)