Electronics - Series Circuits - Discussion
Discussion Forum : Series Circuits - General Questions (Q.No. 20)
20.
While putting three 1.5 V batteries into a flashlight, you put one in backwards. The flashlight will be ______________.
Discussion:
18 comments Page 2 of 2.
Atul thakur said:
1 decade ago
Brothers this is rubbish. Of Course the torch would be off as by changing polarities doesn't means battery is shorted for a circuit to complete the path. Also I have tested it practically it doesn't work.
Yagnik pandya said:
1 decade ago
Yes. Answer is B.
Because see below.
(+-) (+-) (+-).
If we put 3 of the batteries in this polarity then voltage will be added.
But as given that one is inverted so direction will be:
(+-) (+-) (-+) so opposite polarity will reduce the voltage to zero. So ultimately voltage will be reduced and battery will give dimmer light.
Because see below.
(+-) (+-) (+-).
If we put 3 of the batteries in this polarity then voltage will be added.
But as given that one is inverted so direction will be:
(+-) (+-) (-+) so opposite polarity will reduce the voltage to zero. So ultimately voltage will be reduced and battery will give dimmer light.
Hiren said:
1 decade ago
By doing so.
Final applied voltage to torch is 1.5 Volt.
When it is inserted in correct manner it should be 4.5 Volts.
So theoretically, 1.5 Voltage is provided to torch so it will be slightly lighting is answer.
Total voltage= +1.5v + 1.5v - 1.5v = +1.5v
Final applied voltage to torch is 1.5 Volt.
When it is inserted in correct manner it should be 4.5 Volts.
So theoretically, 1.5 Voltage is provided to torch so it will be slightly lighting is answer.
Total voltage= +1.5v + 1.5v - 1.5v = +1.5v
NAGENDRA said:
1 decade ago
But ground won't connect. How it will on?
(1)
Keerthi said:
9 years ago
When inserting batteries into any device one battery direction will be opposite to each other, right?
Then in inserting 3 batteries one will be in opposite to the other two na.
So what is wrong? I can't understand. Please explain.
Then in inserting 3 batteries one will be in opposite to the other two na.
So what is wrong? I can't understand. Please explain.
Bujjji said:
9 years ago
In backwards, cell not working because polarities change.
(1)
Hitesh Daka said:
8 years ago
It depends on which we put in backwards.
Normal condition: +- +- +- .
If : +--++- then dim light.
If +-+--+ then it not work.
Normal condition: +- +- +- .
If : +--++- then dim light.
If +-+--+ then it not work.
(2)
Deepi said:
7 years ago
What happens if same condition occurs in parallel connections?
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