Question

a. Ruby makes a complete

simple circuit with one bulb and

three batteries. The bulb lights

for an instant and then goes

out. Why?​

Answer 1

Answer:

Too much electricity flows through the bulbs filament

Answer 2

The bulb lights for a second and then goes out indicates that there was a current overflow in the circuit.

• There are three batteries in the simple circuit.
• This means there is too much current flow.
• The bulb used was not ideal for this simple circuit.
• Resistance of the bulb was comparatively low.
• As a result, it was not able to withstand the high current and got overheated.
• Therefore, the current overload was the reason why the bulb lighted up for a second and then immediately went out.