Question

If 12 ohm and 4 ohm resistors are connected in parallel and 12 v potential difference is applied. Draw the circuit diagram

Answer 1

Answer:

4 Amperes

Explanation:

Given :

• 12 ohms resistor is connected in parallel to other resistor of 4 ohms

• Potential difference = 12 volts

To find :

• Current and the circuit diagram

Equivalent resistance when 12 ohm and 4 ohm is connected in parallel :

Req = 12×4/12+4

Req = 48/16

Req = 3 ohms

V=IR

12=I×3

I= 12/3

I = 4 Amperes

The current is equal to 4 Amperes

Answer 2

Given that:

• 12 and 4 ohm resistors are connected in parallel and 12 V potential difference is applied.

To Find:

• Current in the Circuit and also draw the circuit diagram.

Formula used:

• In parallel combination, we have

1/Req = 1/R1 + 1/R2 + ......

• V = IR [ ohm's law]

Solution:

Let's first calculate the total or equivalent resistance.

So, 1/Req = 1/12 + 1/4

1/Req = 4/12

Req = 3 ohms.

Let the Current in the circuit be I.

So, Using the above formula, we have

12 = 3*I

I = 12/3

I = 4 A

Therefore, the current in the circuit is 4 A.

[Refer to the attachment for circuit diagram]

Hope this helps