3
Physics
Electricity
Ohm’s law, resistance, combination of resistors, heating effect.
Sample Practice Questions
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1
Easy
The SI unit of electric current is:
AVolt
BOhm
CAmpere
DWatt
2
Medium
Three resistors of 2 Ω, 3 Ω and 6 Ω are connected in parallel. The equivalent resistance is:
A1 Ω
B2 Ω
C11 Ω
D0.5 Ω
3
Easy
The energy consumed by a 100 W bulb in 10 hours is:
A0.1 kWh
B1 kWh
C10 kWh
D100 kWh
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