MCQ
$P-$type semiconductors are made by adding impurity element
- A$As$
- B$P$
- ✓$B$
- D$Bi$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
resistance $= 1.05 \pm 0.01\, \Omega$
diameter $= 0.60 \pm 0.01\, mm$
length $= 75.3 \pm 0.1 \,cm$ is
$y_1=A \sin \left(k x-\omega t+\frac{\pi}{6}\right), \quad y_2=A \sin \left(k x-\omega t-\frac{\pi}{6}\right)$
The equation of resultant wave is

