MCQ
In the given figure, which of the diodes are forward biased ?.
- A$1, 2, 3$
- ✓$2, 4, 5$
- C$1, 3, 4$
- D$2, 3, 4$
✓
Answer
Correct option: B.
$2, 4, 5$
b
(b)In figure $2,4$ and $5$. $P-$crystals are more positive as compared to $N-$crystals.
(b)In figure $2,4$ and $5$. $P-$crystals are more positive as compared to $N-$crystals.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The objective lens of a compound microscope produces magnification of $10$. In order to get an overall magnification of $100$ when image is formed at $ 25\, cm$ from the eye, the focal length of the eye lens should be
→A semiconductor dopped with a donor impurity is
The focal length of a concave mirror is $f$. An object is placed at a distance $x$ from the focus. The magnification is
→An ionized gas contains both positive and negative ions. If it is subjected simultaneously to an electric field along the $+x$ direction and a magnetic field along the $+z$ direction, then
→Doppler's effect in sound in addition to relative velocity between source and observer, also depends while source and observer or both are moving. Doppler effect in light depend only on the relative velocity of source and observer. The reason of this is
Two capacitors $C_1$ and $C_2$ are connected in a circuit as shown in figure. The potential difference $(V_A -V_B)$ is....$V$
→As shown in the figure, a magnet is moved with a fast speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil is E, I and Q respectively. If the speed of the magnet is doubled, the incorrect statement is
The minimum frequency $\nu $ of continuous $X-$ rays is related to the applied potential difference $V$ as
→Image formed by a convex mirror is
In the given nuclear reaction, how many a and b particles are emitted $92^{ X ^{235}} \rightarrow 82^{ Y ^{207}}$
→