Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
primary 6 | Maths
| Percentage
One Answer Below
Anyone can contribute an answer, even non-tutors.
Why is the answer 3 and not 4?
Date Posted: 4 years ago
Views: 437
When battery is exhausted, current still can pass through... this is not the reason bulb didn’t light up. Still closed circuit.
Too many battery, can cause bulb blown.
Too many battery, can cause bulb blown.
See 1 Answer
Too high a current (too many batteries) can cause the bulb to blow.
Wire not connected properly to 6th battery means the circuit is open, so it's a possible explanation why the bulb isn't lit.
Potential energy of the battery is independent of whether the circuit is working or not.
Hope it clarifies.
Wire not connected properly to 6th battery means the circuit is open, so it's a possible explanation why the bulb isn't lit.
Potential energy of the battery is independent of whether the circuit is working or not.
Hope it clarifies.
So every battery has potential energy?
Hi, if the battery has no potential energy, current can still pass through it. So it doesn't matter. Hope it clarifies.
Ohhh. Thank you
You're welcome.
360 Tutoring Program