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Q1. What effect will increase in temperature from 25 degree Celsius to 32 degree Celsius of the metal metre stick have on the measurement of the dimension of rectangular block? Why are corrections not generally essential for this effect?

Q2. How many 97 W lightbulbs can you use in a 109 V circuit without tripping a 14 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 109 V.)

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