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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
A concentric tube heat exchanger is comprised of a thin wall inner tube of 25.4 mm diameter and an outer tube of 47 mm diameter. The heat exchanger is used for cooling lubricating
Compton effect (A.H. Compton; 1923) An effect which demonstrates that photons (the quantum of electromagnetic radiation) contains momentum. At a stationary particle, a photon
What is force
list of anekardhi shabdh with examples
terrestrial telescope
An element exists in two solid phases (labelled P1 and P2). The standard molar entropies of P1 and P2 are 21.9 J mol -1 K -1 and 23.3 J mol -1 K -1 respectively. The
Q. Write down two important facts of Laue experiment on X-ray diffraction. The Laue experiment has established subsequent two important facts (1) X-rays are electromagnetic
Theory of law of conservation of mechanical energy
Magnetic thermometer
Production of electricity by pressure: Certain crystals and semiconductors produce an emf between two opposite faces when the mechanical pressure on them is either increased or
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