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Q3/17 Some copper wire has a resistance of 200 Ohm at 20.C.A current is passed through the wire and the temperature rises toQ5/// The maximum power dissipated in a 4 load is 100 w when connected to a d.c. voltage V and internal resistance R. CalculaQ6ll/ What is the value of the voltage * ?v in the circuit below 2A 692 522 492 V 12 V 312 12 12 19 V Current source Voltage

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® It Resistance at 0c is not knocon then formula is Ri I+dot R2 It dotz Where Here R,= 2004 , @t=20°C R2 = 2 ; @t₂= =90c Ko =05) According to given Anformation circuit is SR Sol! voltage drop 201088 42 is ve = (2)(4) a 452 V I Given Power disspiated

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