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".

You can do it
  1. In an ac circuita the power dissipated as heat depends on
  2. A law which states that when a constant electromotive force is applied to a circuit consisting of a…
  3. Which of the following capacitors is suitable for dc filter circuits?
  4. Which of the following dielectric materials makes the lowest-capacitance capacitor?
  5. If a coil has a Q of 10a it means that
  6. What refers to the lowest voltage across any insulator that can cause current flow?
  7. What is the total effective capacitance of two 0.25 F capacitors connected in series?
  8. The ohmic value of a resistor with negative temperature coefficient
  9. When two pure sine waves of the same frequency and the same amplitude which are exactly 180 outof-phase…
  10. An open inductor has
  11. Why are inductance and capacitance not relevant in a dc circuit?
  12. The ratio between the active power and the apparent power of a load in an ac circuit is called
  13. The impedance in the study of electronics is represented by resistan
  14. A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance…
  15. Series resonant circuit is sometimes known as
  16. The resistance of an insulator ___ when its temperature is increased.
  17. An alloy composed of 84 % coppera 12 % manganese and 4 % nickel.
  18. Barium-strontium titanite dielectric material is also called
  19. The reason why electrical appliances are not connected in series.
  20. An inductive circuit of resistance 16.5 and inductance of 0.14 H takes a current of 25 ?. if the frequency…
  21. The curve between current and frequency is termed as
  22. In adding or subtracting phasor quantitiesa ___ form is the most convenient.
  23. The charging of a capacitor through a resistance follows what law?
  24. Which of the following is also known as antiresonant circuit?
  25. Which of the following is the peakiest?
  26. For a triangular and sawtooth waveform the rms voltage or current equals
  27. What is the peak factor for alternating current or voltage varying sinusiodally?
  28. Inductive reactance applies only to sine waves because it
  29. When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater…
  30. For multi-plate capacitora capacitance is proportional to