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Electric Circuits and Currents
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Electric Circuits and Currents
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Electric Circuits and Currents
Maglev trains float on the track because of
friction
energy
electromagnetism
mechanical repulsion
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Electric Circuits and Currents
If a live wire comes in contact with the metal casing, the excess current will move to
power house
casing
dynamo
transformer
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Electric Circuits and Currents
If a hair drier uses a current of 2A but we fit 1A fuse in it. The fuse will
glow
burst
melt
remain safe
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Electric Circuits and Currents
The discovery which was made by Hans Oersted was used by an
British scientist
French scientist
English scientist
Chinese scientist
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Electric Circuits and Currents
In series circuit electrons in the current when comes to second bulb after passing through the first, have
more energy
less energy
more power
less power
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Electric Circuits and Currents
If two cells are connected in series, the voltage will be
halved
doubled
tripled
quartered
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Electric Circuits and Currents
The rise of temperature due to resistivity, used i
heaters
burners
cookers
volcanoes
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Electric Circuits and Currents
Power is measured in
Joules (J)
Pascal’s (Pa)
Watts (W)
Ohms (Omega)
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Electric Circuits and Currents
The magnetic compass was invented during Han dynasty in China, in
602 BC
206 BC
216 BC
612 BC
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Electric Circuits and Currents
An example of insulator is
silver
potassium
PVC
titanium
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