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Explain the difference between collector & emitter of transistor, even though material used for both same?
952Post New General Physics Questions
An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively
Explain what is the measure of the force of gravity on an object?
What are wave fronts?
How many more times louder is 70 decibels than 10 decibels?
What is the rectilinear propagation of light?
What two properties of electromagnetic waves are used to attach info to radio signals?
How much oxygen is in the atmosphere?
What is photometry?
A color made from the addition of two primary colors is called:
A coil of wire that produces a magnetic field is typically called a
What are the weights in pounds of liquid gallons?
Up to how much weight can be rounded off while weighing a bakery item in a bakery?
X-Ray is avoided by using ?
What is the difference between a lens and a mirror?
What is the difference between isolation transformers and step up or step down transformer?
