MCQ
For a transistor, the current amplification factor is 0.8. The transistor is connected in common emitter configuration. The change in the collector current when the base current changes by 6 mA is
- A6 mA
- B4.8 mA
- ✓24 mA
- D8 mA
✓
Answer
Correct option: C.
24 mA
24 mA
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 conductivity of a semiconductor increases with increase in temperature because:
A photo cell is a device which:
Force of attraction between the plates of a parallel plate capacitor is
Materials suitable for permanent magnet, must have which of the following properties?
A dip needle vibrates in the vertical plane perpendicular to the magnetic meridian. The time period of vibration is found to be $2$ seconds. The same needle is then allowed to vibrate in the horizontal plane and the time period is again found to be $2$ seconds. Then the angle of dip is.....$^o$
→In a PN-junction
Out of the following options which one can be used to produce a propagating electromagnetic wave?
A microscope is used with sodium light and its resolving power is not sufficiently large. Higher resolution will be obtained by using wavelength of:
A particle of charge $q$ and mass $m$ enters a region of a transverse electric field of $E_{0} \hat{ j }$ with initial velocity $v_{0} \hat{ i }$. The time taken for the change in the de-Broglie wavelength of the charge from the initial value of $\lambda_{0}$ to $\lambda_{0} / 3$ is proportional to
→In a coil of resistance $100\ \Omega$ , a current is induced by changing the magnetic flux through it as shown in the figure. The magnitude of change in flux through the coil is......$Wb$
→