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a) A is Copper B is a dilute acid (hydrochloric or sulphuric acid)
b) - Polarization
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sharon kalunda answered the question on April 5, 2019 at 11:12
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Distinguish between Topping and Dopping
Date posted: April 5, 2019. Answers (1)
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switch S, is open and 1.25V when the switch is closed.(Solved)
Figure shows a voltmeter connected across the cell. The voltmeter reads 1.5V when the
switch S, is open and 1.25V when the switch is closed.
i) What is the e.m.f of the cell?
ii) What is the terminal voltage of the cell?
iii) Calculate the internal resistance of the cell
Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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a car. But car battery of 12V...(Solved)
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Date posted: April 5, 2019. Answers (1)
- Figure below shows a circle with two diodes P and Q and a cell:-(Solved)
Figure below shows a circle with two diodes P and Q and a cell:-
Explain the observation which would be made if S is closed
Date posted: April 5, 2019. Answers (1)
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shown in the figure below:(Solved)
With the time base switched on; the following trace was obtained on the screen of a CRO as
shown in the figure below:
Draw a circuit diagram that can be used to produce the wave above
Date posted: April 5, 2019. Answers (1)
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Explain how conductivity of a semiconductor changes with increase in temperature
Date posted: April 5, 2019. Answers (1)
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Draw the diodes D3 and D4 on the diagram to complete the circuit
Date posted: April 5, 2019. Answers (1)
- The diagram below shows a simple cell:-(Solved)
The diagram below shows a simple cell:-
(i) Name z and solution y
(ii) Name and explain the defect that occurs at plate z
(iii) Give one method of preventing the defect that occurs at the copper plate
Date posted: April 5, 2019. Answers (1)
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electricity is shs.6.70 per Kwh, how much...(Solved)
A household uses a 1.5Kw water heater for 2 hours a day for 30 days. If the cost of
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Date posted: April 5, 2019. Answers (1)
- The diagram below shows a wrongly wired three pin plug.(Solved)
The diagram below shows a wrongly wired three pin plug.
(i) Indicate in the diagram above the correct colors for the wiring
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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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State the advantage of transmitting power at Alternating voltage.
Date posted: April 5, 2019. Answers (1)
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State the advantage of transmitting power at Very high voltage
Date posted: April 5, 2019. Answers (1)
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The figure below represents part of an electric cooker coil.
i) State why the part labeled W is coiled
(ii) State the property of material X that makes it suitable for its use
Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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Identify the wires Y and Z
Date posted: April 5, 2019. Answers (1)
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Determine the current flowing in the circuit
Date posted: April 5, 2019. Answers (1)
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a source of e.m.f, a millimeter, a voltmeter and connecting...(Solved)
You are provided with the following; a photo cell; a source of UV light, a rheostat,
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Date posted: April 5, 2019. Answers (1)
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output of 8.0V. Determine the number of turns in...(Solved)
A transformer with 4200 turns in the primary coil operates a 240V mains supply and gives an
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Date posted: April 5, 2019. Answers (1)