Question

A hot plate of an electric oven connected to a 220V line has two resistance coils A and B, each of 24 ohm resistance, which may be used separately, in series or in parallel. What are the currents is the three cases?
Please give full explanation else do not answer.

Answer 1

Case 1: Coils used separately.

      V=IR

      220=24I    

      I=9.167 A

Case 2: Coils used in series

      Req​=R1​+R2​

              =24+24=48 Ω

      V=IReq​

      220=48I

      I=4.583 A

Case 3: Coils used in parallel

      Req​1​=R1​1​+R2​1​  

      Req​=12 Ω  

      V=IReq​

      220=12I

      I=18.334 A

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Answer 2

Answer:

Khud solve karle

Teri chaddi mai hai anda,  

Tere muh me mera danda.

Explanation: