If an object is stretched beyond its elastic limit, it does not return to its original length upon removal of the external force

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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When a diode is operating in the reverse-bias mode,

a. the current flow is generally much larger than in forward bias. b. the positive terminal of the power supply is connected to the p-side of the diode. c. the recombination current is larger than the thermal electron current. d. current varies significantly as a function of the applied voltage. e. current is typically only a small fraction of the current when the same voltage is applied in forward bias.

Physics & Space Science

How far away from Earth must one travel to completely be beyond Earth's gravity?

A) to a region above the Earth's atmosphere B) to a region well beyond the Moon C) to a region beyond the solar system D) forget it; you can't travel far enough

Physics & Space Science

A rectangular oven 1 m by 1 m by 1 m is heated from the bottom surface at 200ºC. If the top surface is 80ºC at a given time and the sides are assumed to be well insulated, determine the heat transfer through the oven.

What will be an ideal response?

Physics & Space Science

When gravitational, magnetic and any forces other than static electric forces are not present, electric field lines in the space surrounding a charge distribution show

a. the directions of the forces that exist in space at all times. b. only the directions in which static charges would accelerate when at points on those lines c. only the directions in which moving charges would accelerate when at points on those lines. d. tangents to the directions in which either static or moving charges would accelerate when passing through points on those lines. e. the paths static or moving charges would take.

Physics & Space Science