Question

Two resistors of resistances 3 ohm and 5 ohm are connected to a
battery. Draw the circuit diagram when the two resistors will have the
same current passing through them. Justify your answer.
​

Answer 1

Answer:

The diagram of three resistors connected in series combination is shown.

R  

1

​  

,R  

2

​  

 and R  

3

​  

 are the three resistors.

I = electric current flowing through the circuit

V = the potential difference supplied by the battery

Applying the Ohm’s law to the entire circuit, we have

V=IR

On applying Ohm’s law to the three resistors separately, we further have

V  

1

​  

=IR  

1

​  

 

V  

2

​  

=IR  

2

​  

 

and V  

3

​  

=IR  

3

​  

 

The total potential difference across a combination of resistors in series is equal to the sum of potential difference across the individual resistors. That is,

V=V  

1  

+V  

2​  

+V  

3  

 

Therefore, IR=IR  

1  

+IR  

2  

+IR  

3  

or

Equivalent resistance of the combination, R=R  

1  

+R  

2  

+R  

3

​  

Explanation: have a nice day

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Answer 2

Answer:

this is the correct circuit

Explanation:

when two resistors are connected in a series the current flowing through them is the same. when in parallel the voltage is the same. here we need the current to be the same hence we have to put the resistors in a series so that the current flowing through them will be the same.

hope it helps you