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A coil of 300 turns is wound uniformly on a ring of non-magnetic material. The ring has a mean circumference of 40cm and a uniform cross-sectional area of 4cm2. If the current in the coil is 5 A, calculate
(a) The magnetic field strength,
(b) The flux density and
(c) The total magnetic flux in the ring.
Electric current may be expressed in which one of the following units? a) coulombs/volt b) joules/coulomb c) coulombs/second d)
Describe binding energy. How does binding energy per nucleon vary with mass number? What is it significance.
Loschmidt constant; Loschmidt number; NL: The number of particles per unit volume of an ideal gas at standard temperature & pressure. It has the value 2.687 19 x 10 25 m -3 .
Write down the condition for dispersion without deviation. Describe power of a lens. What do you mean by magnification?
a car has a mass of 34.01 kg. The race lasts 30 seconds. you think if the car attains an acceleration of .55 m/s^2 to attain a final velocity of 16.54m/s it will win the race. what
Application of Single Phase Induction Motor Applications: Because of their relatively simple construction, availability in various of designs, and characteristics and promote
formula for maximum height.
Who first theoretically predicted the existence of the positron, a positively charged electron? He received the Nobel Prize in Physics in 1933. Ans: (Paul Adrien M
Q. Compute the mutual inductance between two coils when a current of 4 a changing to 8 a in 0.5 s in one coil induces an emf of 50 mV in the other coil. Induce emf e = -
Ask quebackground displacement current and its applications stion #Minimum 100 words accepted#
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