Question
The relation between a and b parameters of current gains for a transistors is given by
|
(a) α = |
(b) α = |
(c) α = 
|
(d) α = 
|
✓
Answer
(b) α = 
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 magnetic moment of a bar magnet is thus ...A... to the magnetic moment of an equivalent solenoid that produces the same magnetic field.
Here, A refers to.
Here, A refers to.
In the circuit shown in Fig., if the diode forward voltage drop is 0.3V, the voltage difference between A and B is:
How many calories of heat will be produced approximately in a 210 watt electric bulb in 5 minutes
|
(a) 80000 cal |
(b) 63000 cal |
(c) 1050 cal |
(d) 15000 cal |
Figure (i) shows a conducting loop being pulled out of a magnetic field with a speed v. Which of the four plots shown in figure (ii) may represent the power delivered by the pulling agent as a function of the speed v
|
(a) a |
(b) b |
(c) c |
(d) d |
A radioactive substance has a half-life of 1 year. The fraction of this material, that would remain after 5 years will be
|
(a) |
(b) |
(c) |
(d) |
Calculate the current through a lamp of 25w operating at 220v.
A transmitter supplies 9 kW to the aerial when unmodulated. The power radiated when modulated to 40% is
|
(a) 5 kW |
(b) 9.72 kW |
(c) 10 kW |
(d) 12 kW |
In a thermocouple, the temperature that does not depend on the temperature of the cold junction is called
|
(a) Neutral temperature |
(b) Temperature of inversion |
|
(c) Both the above |
(d) None of the above |
An isolated solid metallic sphere is given +Q charge. The charge will be distributed on the sphere
|
(a) Uniformly but only on surface |
|
(b) Only on surface but non-uniformly |
|
(c) Uniformly inside the volume |
|
(d) Non-uniformly inside the volume |
The extreme wavelengths of Paschen series are
|
(a) 0.365 μm and 0.565 μm |
(b) 0.818 μm and 1.89 μm |
|
(c) 1.45 μm and 4.04 μm |
(d) 2.27 μm and 7.43 μm |