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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  2. Transient period is considered over after
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  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
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  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.
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  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…
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