Download App

Electronics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
Question
Assertion :  A transistor is a voltage-operating device.
Reason     : Base current is greater than the collector current.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
 
 
 
 
✓

Answer

(d) If the assertion and reason both are false.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Electronics→Electronics — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

When a thin metal plate is placed in the path of one of the interfering beams of light (a) Fringe width increases   (b) Fringes disappear(c) Fringes become brighter(d) Fringes becomes blurred
   
   
→
In the Wheatstone's bridge $($shown in figure$) X = Y$ and $A > B.$ The direction of the current between $ab$ will be
→
A current passes through a wire of nonuniform crosssection.
Which of the following quantities are independent of the cross-section?
→
A vector is not changed if:
  1. It is rotated through an arbitrary angle.
  2. It is multiplied by an arbitrary scalar.
  3. It is cross multiplied by a unit vector.
  4. It is slid parallel to itself.
→
Complete the reaction $\mathrm{n}+{ }_{92}^{235} \mathrm{U} \rightarrow{ }_{56}^{144} \mathrm{Ba}+\cdots+3 \mathrm{n}$
→
The mass of a neutral carbon atom in ground state is:
→
The ratio of the number of electrons and holes in intrinsic semiconductors at normal temperature is :
→
In a transformer, the number of turns in primary coil and secondary coil are 5 and 4 respectively. If 240 V is applied on the primary coil, then the ratio of current in primary and secondary coil is
→
The time period of an earth-satellite in circular orbit is independent of:
  1. The mass of the satellite.
  2. Radius of the orbit.
  3. None of them.
  4. Both of them.
→
A person sitting in a chair in a satellite feels weightless because:
  1. The earth does not attract the objects in a satellite.
  2. The normal force by the chair on the person balances the earth's attraction.
  3. The normal force is zero.
  4. The person in satellite is not accelerated.
→