Explain the difference between isolation transformers and step up or step down transformer?
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What makes the telegraph wires hum?
What is centrifugal force?
What is the musical sound?
The gas that used in bulb is............? a) Oxygen b)nitrogen c)hydrogen d)co2
Explain how spectral lines show discrete energy levels in an atom. : quantum physics
What happens when you travel across the dateline?
On breaking a magnet, how many poles will be got ?
When thomas edison was promoting the wide use of direct current, this personal enemy of edisons was the chief proponent and expert in alternating current?
When I have one cubic foot of air enclosed within a weightless container and place it on the surface of a fresh water body of water at sea level how much mass (weight) will it support before it sinks below the surface?
Why does bluing make things whiter ?
Tell me when taken to the top of a mountain, a clock will go fast or go slow or no change or stop?
Why a small stone and a big stone reach at the same time when they are made to fall through the same heights ?