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Course: Science — Third Preparatory
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Science — Third Preparatory

Science — Third Preparatory

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Science — Third Preparatory 2026/2027

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Unit 1 - Force, Motion, Acceleration and Physical Quantities

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Quiz

Question bank: Unit 2 — Electricity and Magnetism

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  • Questions count: 5
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1.
By convention, the electric current outside the source flows from:
the negative pole to the positive pole
the positive pole to the negative pole
the lamp to the switch
the battery to the earth
2.
Which of the following is needed for a current to flow in a wire?
A closed circuit only
A source only
A source and a closed circuit
A switch and no source
3.
The filament of a bulb glows while the copper connecting wires do not, because the filament:
is shorter and thicker
has a much larger resistance
is made of copper
carries a larger current
4.
The unit of electric resistance is the:
volt
ampere
ohm
watt
5.
The current through a 4 Ω resistor connected to a 12 V battery is:
3 A
16 A
48 A
0.33 A
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