The straight line passing through the two poles of magnet is called

A. Real axis

B. Cartesian axis

C. Magnetic axis

D. Imaginary axis

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  1. The temperature coefficient of resistance of eureka is
  2. The potential at a point due to a charge is 15 V. If the distance is times, the potential at the point…
  3. One ampere- turn is equivalent to _____ gilberts
  4. The core of a magnetic equipment uses a magnetic material with
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  6. Defined as a closed path in which magnetic induction or flux flows
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  13. The magnetic field around the conductor is determined by the
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  15. A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the…
  16. In electro-mechanical conversion devices like generators and motors the reason why a small air gap is…
  17. If the length and area of cross-section of a wire are doubleda then its resistance
  18. Who discovered the most important electrical effects which is the magnetic effect?
  19. The emf induced in a coil due to the changing current of another neighboring coil is called
  20. Another term for corona discharge.
  21. The diameter of a hydrogen atom is approximately ______ cm.
  22. The unit of flux is _____ in cgs system.
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  25. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
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