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The magnetic field must change.
chrispohmomanyi answered the question on October 4, 2017 at 08:23
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State one advantage of fitting wide tyres on a vehicle that moves on murram roads.
Date posted: October 4, 2017. Answers (1)
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State two applications of friction force.
Date posted: October 4, 2017. Answers (1)
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An acoustic guitar has a hollow sound box. State and explain the main role of this sound box.
Date posted: October 4, 2017. Answers (1)
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Two cups; a metallic one and a plastic one holding water were left outdoor overnight on a cold night. Both cups were covered. Which cup will have a cooler water in the morning? Explain your choice.
Date posted: October 4, 2017. Answers (1)
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When pumping up a tyre, the more you pump the harder it becomes to pump. Explain.
Date posted: October 4, 2017. Answers (1)
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How is the human eye able to form a focused image.
Date posted: October 4, 2017. Answers (1)
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State three factors that affect the capacitance of a capacitor.
Date posted: October 4, 2017. Answers (1)
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State two changes you would make in a mercury thermometer so that it can measure temperature accurately.
Date posted: October 4, 2017. Answers (1)
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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 law that relates to the elasticity of an elastic spring when acted on by force.
Date posted: October 4, 2017. Answers (1)
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State two applications of surface tension.
Date posted: October 4, 2017. Answers (1)
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State one factor that affects the electrostatic force.
Date posted: October 4, 2017. Answers (1)
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What is meant by the change of state?
Date posted: October 4, 2017. Answers (1)
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Explain the usefulness of a vernier scale in the vernier callipers.
Date posted: October 4, 2017. Answers (1)
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Give an example where a liquid still sinks yet it is being heated.
Date posted: October 4, 2017. Answers (1)
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Explain heat transfer by conduction in solids.
Date posted: October 4, 2017. Answers (1)
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State two factors which affect the centripetal force of a body moving in a circle.
Date posted: October 4, 2017. Answers (1)
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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.
Date posted: October 4, 2017. Answers (1)
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Give three ways in which the power of an electric motor can be increased.
Date posted: October 4, 2017. Answers (1)