Which of the following has a positive temperature coefficient?

A. Mica

B. Manganin

C. Silicon

D. Carbon

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

You can do it
  1. Metal tin becomes superconductor at approximately
  2. The potential gradient in a cable is maximum in
  3. The ratio of maximum value to the effective value of an alternating quantity is called
  4. Which of the following capacitors is suitable for dc filter circuits?
  5. Another term for superconductor.
  6. A circuit whose parameters change with voltage or current.
  7. A gang capacitor is a variable capacitor in which capacitance is varied by changing the
  8. A capacitor requires 12 C of charge to raise its potential of 3 V. What is the capacitance of the capacitor?
  9. A series RL circuit has R of 10 and XL of 5 a its impedance in rectangular form is given by
  10. The charging of a capacitor through a resistance follows what law?
  11. A tank circuit is a
  12. The value of temperature coefficient ( ) is dependent upon
  13. What is the other name of relative permittivity?
  14. What is the value of a carbon composition resistor with the following color code: Browna whitea orangea…
  15. In a resonant circuita if Q ? 10 resonant frequency _______ bandwidth.
  16. Which factor does not affect resistance?
  17. A capacitor is basically constructed of
  18. The farad is not equivalent to which of the following combination of units
  19. In an ac wavea 30 degrees of phase is ___ of a cycle.
  20. Series resonant circuit is sometimes known as
  21. When two coils of identical reactance are in parallel without mutual inductancea the reactance of the…
  22. When the movable plates of a gang capacitor completely overlap the fixed platesa the capacitance of…
  23. The wavelength of an alternating waveform depends upon the ___ of the variation.
  24. If two complex conjugates are addeda ___ components results.
  25. Form its definitiona the unit of electric fielda is the N/C and equivalent unit of is the
  26. What is the purpose of a load in an electric circuit?
  27. When two complex conjugates are subtracteda the result is a
  28. A series RLCcircuit consists of a 10 resistor in series with L = 10 Ha and C= 100 F. Determine a new…
  29. What refers to such work at very low temperaturesa near absolute zero?
  30. The electric field strength between capacitor plates has a unit