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y =238-4(1) = 242
X = 84
sharon kalunda answered the question on April 5, 2019 at 14:11
- You are provided with the following:-(Solved)
You are provided with the following:-
- One diode
-A load resistor
- An a.c. source
- One transformer
(i) Using the above apparatus draw a circuit arrangement for half wave rectification
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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The diagram below shows simplified diagram of an x-ray tube,
(a) Name the parts A, B, and C.
(b) What adjustments would be made to:
(i) Increase the penetrating power of the x-rays produced.
(ii) Increase the intensity of the rays produced.
(c) Name a suitable material for the part marked B and give a reason for your choice.
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Date posted: April 5, 2019. Answers (1)
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An x-ray tube is operating with an anode potential of 12Kv and a current of 10.0m.A:
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Date posted: April 5, 2019. Answers (1)
- The figure below shows an x-ray tube:(Solved)
The figure below shows an x-ray tube:
(a) Indicate on the diagram the path of x-ray beam supplied by the tube
(b) Why is M set at angle of 45o relative to the electron beam?
(c) Name a suitable metal that can be used for part M and give a reason for your choice
(d) State how the following can be controlled:-
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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(ii) The strength of X-rays(Solved)
State the factor that affects:-
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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The figure shows a cross- section of a bicycle dynamo. The wheel is connected by an axle
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Date posted: April 5, 2019. Answers (1)
- A transformer is designed as shown in the figure below. If the primary coil has 2400 turns and
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A transformer is designed as shown in the figure below. If the primary coil has 2400 turns and
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Date posted: April 5, 2019. Answers (1)
- What would be observed in the diagram below when switch S is closed, B1 and B2 are
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
- Figure shows a circuit where a battery of emf 4.5V, switches A and B, two capacitors.C1= 0.3 µF and C2 = 0.5 µF and a...(Solved)
Figure shows a circuit where a battery of emf 4.5V, switches A and B, two capacitors.C1= 0.3 μF and C2 = 0.5 μF and a voltmeter are connected.
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Date posted: April 5, 2019. Answers (1)
- In an attempt to establish the relationship between current through a junction diode and the p.d
across it, a student connected a diode to an e.m.f...(Solved)
In an attempt to establish the relationship between current through a junction diode and the p.d
across it, a student connected a diode to an e.m.f source as in figure below:-
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Date posted: April 5, 2019. Answers (1)
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State the purpose of introducing an impurity in a semi conductor.
Date posted: April 5, 2019. Answers (1)
- Figure below shows a diagram of an n – p – n transistor.(Solved)
Figure below shows a diagram of an n – p – n transistor.
Complete the diagram by showing the connections of two batteries suitable for biasing the
transistor in the common- emitter mode.
Date posted: April 5, 2019. Answers (1)