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12. Electricity
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Q21 of 50 Page 381

Write true or false for the following statements:

The quantity of charge flowing past a point multiplied by time is current.

False

Current is the amount of charge flowing per unit time.



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19

Write true or false for the following statements:

Electric bulb works on heating effect of current.

20

Write true or false for the following statements:

The electrical appliance having higher power draws a larger current.

22

Write true or false for the following statements:

The flow of charge through a conducting wire connected to a cell is the result of chemical reaction inside the cell.

23

Write true or false for the following statements:

The resistivity of all pure metals increases with increase in temperature.

Questions · 50
12. Electricity
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