Inductor does not allow the sudden change of

Related Mcqs:

1. Capacitor does not allow the sudden change of ?

   A. current
   B. voltage
   C. power
   D. None of the above

2. The voltage induced in an inductor is represented as,

   A. product of its inductance and current through it.
   B. ratio of its inductance to the current through it.
   C. ratio of the current through it to its inductance.
   D. product of its inductance and rate of change of current through it.

3. Instantaneous power in inductor is proportional to the

   A. product of the instantaneous current and rate of change of current.
   B. square of instantaneous current.
   C. square of the rate of change of current.
   D. Temperature of the inductor.

4. Power dissipation in ideal inductor is

   A. Maximum
   B. Minimum
   C. Zero
   D. A finite value

5. The biasing circuit has a stability factor of 50. If due to temperature change, ICBO changes by 1 µA, then IC will change by___________________?

   A. 100 µA
   B. 25 µA
   C. 20 µA
   D. 50 µA

6. Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes__________?

   A. 1/9 times
   B. 3 times
   C. 9 times
   D. unchanged

7. In a base resistor method, if the value of ß changes by 50, then collector current will change by a factor ___________________?

   A. 25
   B. 50
   C. 100
   D. 200

8. An electric current induced within the body of a conductor when that conductor either moves through a non uniform magnetic field or in a region where there is a change in magnetic flux is called_____________?

   A. Induced current
   B. Eddy current
   C. Back emf
   D. None of the above

9. Which one of the following does not have negative temperature co-efficient ____________?

   A. Aluminium
   B. Paper
   C. Rubber
   D. Mica

10. Which of the following uses electric energy and does not convert it into any other form ?

    A. transformer
    B. motor
    C. D.C generator
    D. A.C generator