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a) Heat produced is directly proportional to the square of the current passing by a conductor.
b) This effect is produced because of collision of free electrons with positive ions of the current carrying conductor.
c) It is not a reversible effect.
d) Heat produced depends upon resistance (and therefore temperature also) of the conductor.
e) It is mainly a heating effect
A bicycle has tires of radius 0.35 meters. If the bicycle is traveling at a constant speed of 7.8 m/s, approximately what angular speed are the tires rotating? a) 85 rev/min b) 197
WHAT IS THE MEAN OF HEAT
Q. Illustrate what two properties of electromagnetic waves are used to attach info to radio signals? Answer:- By changing the amplitude of a radio wave you can encode info
Major steps for analyzing forces in uniform circular motion: Let consider one axis along the radius of circle (i.e. in direction of acceleration) and other axis perpendicular to th
I am responding to your letter of about six weeks ago asking for an adjustment on your wireless hub, model WM39Z. We test all our products before they leave the factory; therefore,
Are fiber optics systems difficult to install? This becomes significant to establish a fair comparison with other components, in this case normal light fixtures. Fiber optics s
A 2.1 kg block slides along a horizontal surface with a coefficient of kinetic friction μ k = 0.31. The block has a speed v = 1.4 m/s when it strikes a massless spring head-on.
An ideal Brayton cycle uses air as a working fluid. The air enters the compressor at 101 kpa and 37 C. The pressure ratio of the compressor is 12:1, and the temperature of the air
Hawking radiation (S.W. Hawking; 1973): Black holes emit radiation such as any other hot body. Virtual particle-antiparticle pairs are being formed in supposedly empty space c
application of huygen''principle
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