Explain the difference between isolation transformers and step up or step down transformer?
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What generates seismic waves?
Explain what is relation between magnetic and electricity and why?
what happens when an object travels in the speed of light hits another object?
Explain the domestic consumption of electricity is calculated in?
When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that it acts a) In the backward direction on the front wheel and in the forward direction on the rear wheel. (b) In the forward direction on the front wheel and in the backward direction on the rear wheel. (c) In the backward direction on both the front and rear wheels. (d) In the backward direction on both the front and rear wheels.
Explain the difference between intrinsic and extrinsic semiconductors?
How we are getting light from electrical bulb.Please brief in detail.
Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?
the time period of three pendulums are given in a sequence as a= 1.27s b=0.85s c=0.99s the given sequence may not be correct arrange the time period in a correct sequence
battery of 180 AMP HOUR”
Explain the Dew Point ?
How about the particle-wave duality? : quantum physics