Question
The PN junction diode is used as
| (a) An amplifier | (b) A rectifier | (c) An oscillator | (d) A modulator |
✓
Answer
(b) A rectifier
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 function of rectifier is :
A block of mass m slides down a smooth vertical circular track. During the motion, the block is in:
- Vertical equilibrium.
- Horizontal equilibrium.
- Radial equilibrium.
- None of these.
Two sources of waves are called coherent if
|
(a) Both have the same amplitude of vibrations |
|
(b) Both produce waves of the same wavelength |
|
(c) Both produce waves of the same wavelength having constant phase difference |
|
(d) Both produce waves having the same velocity |
Out of radioactive radiation which has highest penetrating power ?
An electron with kinetic energy 5eV is incident on a hydrogen atom in its ground state. The collision:
- Must be elastic.
- May be partially elastic.
- Must be completely inelastic.
- May be completely inelastic.
A diver at a depth of 12m in water (μ = 4/3) sees the sky in a cone of semi-vertical angle
|
(a) |
(b) |
(c) |
(d) 90° |
A ferromagnetic material is placed in an external magnetic field. The magnetic domains:
Two PN-junctions can be connected in series by three different methods as shown in the figure. If the potential difference in the junctions is the same, then the correct connections will be
|
(a) In the circuit (1) and (2) |
(b) In the circuit (2) and (3) |
| (c) In the circuit (1) and (3) | (d) Only in the circuit (1) |
The process of sharing the charges with the earth is called as:
A certain charge liberates 0.8 gm of 
. The same charge will liberate how many gm of silver
|
(a) 108 gm |
(b) 10.8 gm |
(c) 0.8 gm |
(d) |
