P6 Electricity Revision

Front

Fill in the blank for (1) in the statement: Circuit ___(1)___ is more suitable. When a bulb___(2)____in the circuit, the other bulbs remained lit. Circuit___(3)___also allows the bulbs to be____(4)_____. This can help to conserve energy. Options: P, Q

Back

P

Front

When a bulb ___(2)____ in the circuit, the other bulbs remained lit.

Back

fuses

Front

Fill in the blank for (3) in the statement: Circuit ___(3)___ also allows the bulbs to be____(4)_____.

Back

P

Front

Fill in the blank for (4) in the statement: "Circuit ___(3)___ also allows the bulbs to be____(4)_____. This can help to conserve energy." Options: equally bright, able to last for a longer period of time, turned off and on separately, turned off and on together

Back

turned off and on separately

Front

How many bulbs light up when S1 and S2 are closed?

Back

2 bulbs

Front

Which 2 light bulbs remained lit?

Back

B5 and B6

Front

For B4 to light up, which switches must be closed? What are the other bulbs light up when these switches are closed? Options: S2 S4 B1 B3, S4 S2 B1 B3, S2 S4 B3 B1, S4 S2 B3 B1

Back

S2 S4 B1 B3, S4 S2 B1 B3, S2 S4 B3 B1, S4 S2 B3 B1

Front

Comparing Circuit 1 and 2, what is the difference? How does the difference affect the brightness of the bulbs?

Back

The batteries in circuit 1 is arranged in parallel while the batteries in circuit 2 is arranged in series. There will be more current flowing in circuit 1, causing bulb X to be brighter.

Front

How does the number of dry cells in circuit 1 affect the amount of electric current that flows through bulb X? Fill in the blanks: The ____(i)____ the number of batteries in circuit 1, the _____(ii)____ the current flowing through bulb X.

Back

greater; greater

Front

If two or more dry cells are connected in series to circuit 1, bulb will light up and then go off. Which part of the bulb is responsible for the observation?

Back

Filament