MCQ
The lead marked with the arrow is the _______.
- Acollector
- Bbase
- Cemitter
- Dcore
✓
Answer
- emitter
Explanation:
It is a p-n-p, transistor. The Lead marked with the arrow is the emitter. It tells the direction of the flow of the holes i.e, the flow of conventional current.
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
Two streams of electrons are moving parallel to each other in the same direction. They_____.
Energy is stored in a capacitor in the form of:
A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire
|
(a) Will be doubled |
(b) Will be halved |
|
(c) Will remain the same |
(d) Will be quadrupled |
At a specific instant emission of radioactive compound is deflected in a magnetic field. The compound can emit
(i) Electrons (ii) Protons (iii) 
(iv) Neutrons
The emission at the instant can be
|
(a) i, ii, iii |
(b) i, ii, iii, iv |
(c) iv |
(d) ii, iii |
Half life of radioactive element depends upon:
A person wishes to distinguish between two pillars located at a distance of 11km. What should be the minimum distance between these pillars (resolving power of normal human eye is 1')?
A 700 pF capacitor is charged by a 50 V battery. The electrostatic energy stored by it is
|
(a) 17.0 |
(b) 13.6 |
(c) 9.5 |
(d) 8.7 |
If a magnet is hanged with its magnetic axis then it stops in
|
(a) Magnetic meridian |
(b) Geometric meridian |
|
(c) Angle of dip |
(d) None of these |
A current passes through a wire of non-uniform cross-section. Which of the following quantities are independent of the cross-section?
The half life of radioactive Radon is 3.8 days. The time at the end of which 1/20 th of the Radon sample will remain undecayed is (Given 
|
(a) 3.8 days |
(b) 16.5 days |
(c) 33 days |
(d) 76 days |