electrical circuit and components
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The longer wire the more/less resistance, the lamp will shine more/less brightly ? | more, less
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| Fuses and circuit breakers prevent circuits carrying too much electricity. Explain how. | The fuse device contains wire which melts, and breaks the circuit when the current is too high.A circuit breaker has a switch which opens and breaks the circuit when the current is too high, and can easily be close again.
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| Materials which allow electricity to flow through them are called __________. Materials which do not allow electricity to flow through them are called ___________. | conductors
insulators
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
hamizah
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