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Which one of the following elements serves as a protection against overload?

A. Fuse

B. Switch

C. Resistor

D. Relay

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. An electric circuit contains
  2. Transient period is considered over after
  3. The internal resistance of an ideal voltage source is
  4. What is the specific resistance of a pure germanium?
  5. Two capacitors of capacitance 9 F and 18 F in series will have a total capacitance of
  6. If two equal resistances connected in series across a certain supply are now connected in parallel across…
  7. The hot resistance of an incandescent lamp is about ___ times its cold resistance.
  8. The ratio between the reactive power and the apparent power of an ac load is called
  9. For maximum power transfera what is the relation between load resistance RL and internal resistance…
  10. The power factor of a certain circuit in which the voltage lags behind the current is 80 %. To increase…
  11. A factor that states how much the resistance changes for a change in temperature?
  12. What is the peak factor for alternating current or voltage varying sinusiodally?
  13. A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance…
  14. What capacitance exists not through design but simply because two conducting surfaces are relatively…
  15. In a series RLCcircuit
  16. The potential gradient in a cable is maximum in
  17. An open inductor has
  18. The second strip of an electronic resistor color-code represents
  19. Which of the following is the most popular waveform?
  20. Electron flow assumes charges flow from
  21. Which of the following is a preferred resistor value?
  22. In dividing or multiplying phasor quantitiesa ___ form is used.
  23. Which component opposes voltage change?
  24. In an ac circuit with a resistive branch and an inductive branch in parallela the
  25. What determines the direction of induced emf in a conductor or coil?
  26. In a pure capacitancea
  27. Which of the following capacitors has the highest cost per F?
  28. Nortons theorem is ____ Thevenins theorem.
  29. When the net reactance in a series coil-capacitor circuit is zero at frequency fa the nature of its…
  30. Refers specifically to steady state values of quantities in ac circuits which are complex numbers.