🎓 10th Samacheer Quiz
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TRUE_FALSE
Electricity
1 / 10
Q1. According to Joule’s law, heat is proportional to I²Rt.
True
False
Q2. Resistance opposes the flow of electric current.
True
False
Q3. In a series circuit, the same current flows through each component.
True
False
Q4. In a series circuit, current is different through each resistor.
True
False
Q5. In a series circuit, the current is different through each resistor.
True
False
Q6. In a parallel circuit, the voltage is the same across all branches.
True
False
Q7. A fuse is designed to increase current during overload.
True
False
Q8. A fuse protects a circuit against excessive current.
True
False
Q9. Kilowatt-hour is a unit of electrical energy.
True
False
Q10. Increasing the length of a wire generally increases its resistance.
True
False
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