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When recording infrasound waves or microwaves how do they vary from one another?
Ans) By microwaves, do you mean "radio signals", like in a microwave oven? These have nothing to do with sound. There is not a way to "record" microwaves really.
You can build a microwave transmitter with lots of power, sufficient to cook everyone in a building if you wanted to. The military has a microwave gun that heats up your skin painfully at a good distance
Ask quA 380-V, 15-hp, 50-Hz, four-pole, Y-connected wound-rotor induction motor has the following impedances in ohms per phase referred to the stator circuit: R1= 0.453? R2= 0.24
(a) What do you understand by Detroit-type automation? (b) What are the situations under which the above kind of automation can be planned ?
oc and sc tests
Name the materials used in case of Fuses . Also give reasons. Fuses : For rewirable fuses, copper-tin and lead-tin alloy is used. For HRC and cartridge fuses silve
Discuss important properties and uses of Ceramics. Ceramics - These are materials made by high temperature firing treatment of natural clay and specific inorganic matters. The
please, how do i design a linear phase stable recursive digital filter
a. Explain the meaning of amplitude modulation? Show that the AM output having two sidebands and the carrier frequency. b. Illustrate that the equivalent parallel impedance of a
Hard magnetic materials are used for making (A) Permanent magnets. (C) Conductors. (B) Insulator. (D)Temporary magnets. Ans: Hard magnetic materials are
Q. The self and mutual inductances of a machine with two windings are given by L 11 = (1 +sin θ), L 22 = 2(1 + sin θ), and L 12 = L 21 = M = (1-sin θ). Assuming θ = 45°, and le
Note, the armature current is produced in pulses as the armature rotates under the poles, so the torque also pulsates. This can give rise to extra wear on bearings and the engin
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