MCQ
In a transistor
- Alength of emitter is greater than that of collector
- ✓length of collector is greater than that of emitter
- Clength of base is greater than that of emitter
- Dlength of base is greater than that of collector
✓
Answer
Correct option: B.
length of collector is greater than that of emitter
b
Transitor : Structure and action
Transitor : Structure and action
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
Ampere’s circuital law states that:
A compound microscope is used to enlarge an object kept at a distance $0.03\,m$ from it’s objective which consists of several convex lenses in contact and has focal length $0.02\,m$. If a lens of focal length $0.1\,m$ is removed from the objective, then by what distance the eye-piece of the microscope must be moved to refocus the image......$cm$
→Two lighter nuclei combine to form a comparatively heavier nucleus by the relation given below:
→${ }_{1}^{2} X +{ }_{1}^{2} X ={ }_{2}^{4} Y$
The binding energies per nucleon ${ }_{1}^{2} X$ and ${ }_{2}^{4} Y$ are $1.1\,MeV$ and $7.6\,MeV$ respectively. The energy released in this process is $MeV$.
Two insulating plates are both uniformly charged in such a way that the potential difference between them is $V_2 - V_1 = 20\ V$. (i.e., plate $2$ is at a higher potential). The plates are separated by $d = 0.1\ m$ and can be treated as infinitely large. An electron is released from rest on the inner surface of plate $1. $ What is its speed when it hits plate $2?$
$(e = 1.6 \times 10^{-19}\ C, m_e= 9.11 \times 10^{-31}\ kg)$
→$(e = 1.6 \times 10^{-19}\ C, m_e= 9.11 \times 10^{-31}\ kg)$
To maintain a steady current through the conductor, some external device must do work. What does the external device provide?
Light of wavelength $520\, nm$ passing through a double slit, produces interference pattern of relative intensity versus deflection angle $\theta$ as shown in the figure. The separation $d$ between the slits is
→A potential difference of 300 volts is applied to a combination of 2.0mF and 8.0mF capacitors connected in series. The charge on the 2.0mF capacitor is
What is the equivalent capacitance between $A$ and $B$ in the given figure (all are in farad)
→The molar heat capacity for the process shown in the figure is:
The value of alternating emf $E$ in the given circuit will be......$V$
→