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Q Give the differences between AF choke and RF choke.
Audio - frequency (A.F) chokes
Radio frequency (R. F) chokes: or high frequency (H.F) chokes
a) Used in low frequency a.c. circuit.
a) used in high frequency a.c. circuit
b) An iron core is used.
b) Air chokes are used.
c) The inductance may be high
c) The inductance may be low
d) Used in fluorescent tubes.
d) Used in wireless receiver circuits
What is the mass ms of one 294Uus atom, in SI units? Include the error bars in your answer, using 1 atomic mass unit 1u = (1.66053892 ± 0.00000007) × 10-27 kg.
Derive the mathematical equation for the couple acting on a bar magnet in a uniform magnetic field and thus deduce the definition of magnetic moment?
Which quantity is unchanged during refraction of light? Describe critical angle. Show an application of total internal reflection.
The rate of flow of energy or particles across a given surface.
Reflection law For a wavefront intersecting reflecting surface, the angle of incidence is equivalent to the angle of reflection, in the similar plane described by the ray of i
like parallel forsces
circuits
Get a mathematical expression for current and impedance in series LCR circuit. Reduce an expression for the resonating frequency of an LCR series resonating circuit.
what is the importance of si unit
Any rigid body suspended from a fixed support constitutes a physical pendulum. Let Consider the situation when the body is displaced by a small angle Torque on the body about O is
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