2076 Set C Q. No. 100 The efficiency of a Carnot cycle is 15%. If on reducing the temperature of sink by 65°C, the efficiency becomes double, find the temperature of source and sink. [4] Ans: 433.335, 368.33k​

i don't know the answer sorry

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

1 is a answer of a question