Physics 2nd Paper MCQ-Cumilla Board-2017

1. What happens on the fourth step of Carnot cycle?

2. E=5 $\sin 50 \pi$ volt what is the effective value of the electromotive force?

3. Which is used to measure errors?

4. In a coil, in 2 seconds $2 A$ current flow was brought down to zero, and $15 \mathrm{~V}$ electromotive force was magnetized. What is the induction coefficient of the coil?

5. What is the distance of the image?