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Current electricity questions

Current electricity questions | form three Physics

Find Current electricity examination questions, form three Physics in acaproso.com

# Question
1

In the diagram below

Electric Current

(i) A and ________ represent ____________
(ii) X is _________________________


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2

Explain what is wrong in the circuit diagram shown below.

Electric Current


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3

Explain briefly, with the aid of a circuit diagram, how you would verify Ohm’s
law in the laboratory.


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4

How would you know when is necessary to recharge an accumulator?


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5

State briefly the variation of the potential over a pearshaped conductor and the variation of density of the charge.


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6

Differentiate between resistance and resistivity of a given conductor.


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7

What is meant by a fuse?


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8

Briefly explain why fuse are made of very thin wires but heaters are made of thick wires.


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9

State how short circuit occurs in a house?


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10

Mention two causes of electrical short-circuit.


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