Recent questions

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The figure below shows the displacement-time graph of a certain wave.

asked Jul 13, 2021 in Physics Form 2 by anony mous

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1 answer

State one advantage of the circuit breaker over a wire fuse.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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An immersion heater rated 4000W is used continuously for 1hour 30 minutes. Calculate the cost of operation at Ksh.6.70 per unit.

asked Jul 13, 2021 in Physics Form 3 by anony mous

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Describe briefly how an N-type and a P-type semi conductors are made.

asked Jul 13, 2021 in Physics Form 4 by anony mous

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State the function of ammonium chloride paste in a dry cell.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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A convex lens forms an image three times the size of the object on a screen. If the distance between the screen and the object is 120cm. Determine;

asked Jul 13, 2021 in Physics Form 1 by anony mous

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Complete the ray diagram below, to show how a convex lens works as a magnifying glass.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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The circuit below shows a torch bulb and lead plates dipped in dilute sulphuric acid and a battery of emf 12V.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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The neutral identical aluminium spheres A and B are hanged freely such that they are in contact, as shown in the figure. A negatively charged rod is brought close to the spheres as shown.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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The figure below shows an object placed in front of a plane mirror.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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What is a machine?

asked Jul 13, 2021 in Physics Form 3 by anony mous

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1 answer

An electric heater 1000W is used to heat 0.2kg of ice. Initially at -10°C to until all the mass changes to steam at 100°C.

asked Jul 13, 2021 in Physics Form 3 by anony mous

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1 answer

The diagram below shows the main features of a domestic refrigerator. Study the diagram and answer the questions that follow.

asked Jul 13, 2021 in Physics Form 3 by anony mous

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Oil of density 800kgm-3 rests on the surface of water. A cube block of side 50mm floats by a distance of 37.5mm in the fresh water as shown in the figure.

asked Jul 13, 2021 in Physics Form 4 by anony mous

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What do you understand by the term absolute zero temperature.

asked Jul 13, 2021 in Physics Form 3 by anony mous

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2 answers

A barrel is rolled up a ramp of 6m long, The barrel weighs 400N and is raised through a height of 1.5m. If a force of 120N is applied parallel to the inclined plane, calculate.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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The diagram below shows a suspended uniform beam of weight 4N in equilibrium under the action of the force shown. The weight of the magnet is 8N.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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1 answer

Six ways in which Christians in Kenya help to narrow the gap between the Rich and the poor.

asked Jul 13, 2021 in CRE Form 4 by anonymous

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Explain four life skills that should be used by Christians in managing their wealth.

asked Jul 13, 2021 in CRE Form 1 by anonymous

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A uniform light rod AB 50cm long in equilibrium when forces 3N, 5N and X acts on it as shown in the figure below. Find the magnitude of the force X

asked Jul 13, 2021 in Physics Form 2 by anony mous

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