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what is the role of fuce in electric circuit
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asked
Dec 29, 2021
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Physics Form 3
by
matricesonbuyombuya
heating effect of an electric current
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what is the role of fuce in electric circuit
asked
Dec 29, 2021
in
Physics Form 3
by
matricesonbuyombuya
heating effect of an electric current
0
votes
0
answers
explain how the choice of a right fuse for a particular application is made
asked
Apr 27, 2023
in
Physics Form 3
by
0745237XXX
heating effect of an electric current
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votes
1
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The figure below shows an electric circuit connected to a battery. If the internal resistance of the battery is 0.2Ω.
asked
Jul 13, 2021
in
Physics Form 3
by
anony mous
current electricity
electromotive force
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1
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2.5 kg of water at 20°C is heated in an electric kettle connected to 250V supply. If it took 20 minutes to boil at 100°C specific heat capacity of water is 4200JKg−1 k−1. Determine the power of the kettle element.
asked
Jul 13, 2021
in
Physics Form 3
by
anony mous
quantity of heat
heat capacity
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1
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Water of mass 3kg initially at 20℃ is heated in an electric kettle rated 3.0kW. Thewater is heated until it boils at 100℃. Taking specific heat capacity of water=4200Jkg/K, heat capacity of kettle=450J/kg, specific latent heat of vapourisation of water =2.3MJ/kg, calculate;
asked
Aug 18, 2021
in
Physics Form 3
by
anonymous
quantity of heat
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