$\Delta i _{ c }=10 \,mA$
power $=\beta^{2} \times \frac{R_{0}}{R_{i n}}$
Power $=\left(\frac{10}{0.1}\right)^{2} \times \frac{2}{1}$
Power $=100 \times 100 \times 2$
Gain $=2 \times 10^{4}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $-\,I$ | Column $-\,II$ |
| $(a)$ Wein's constant | $(i)$ $Wm^{-2}\,K^{-4}$ |
| $(b)$ Stefan-Boltzmaan's constant. | $(ii)$ $Wm^{-1}\,K^{4}$ |
| $(iii)$ $mK$ |
$(1)$ a ring
$(2)$ a disc
$(3)$ a solid cylinder
$(4)$ a solid sphere,
of same mass $m$ and radius $R$ are allowed to roll down without slipping simultaneously from the top of the inclined plane. The body which will reach first at the bottom of the inclined plane is ...........
[Mark the body as per their respective numbering given in the question]
