[amp_mcq option1=”Low impedance path” option2=”High impedance path” option3=”Low resistance path” option4=”High resistance path” correct=”option1″]
The correct answer is: A. Low impedance path
Latch-up is a condition in which a semiconductor device can become unstable and continue to conduct current even when the input signals are removed. This can cause the device to overheat and damage itself. Latch-up is caused by a positive feedback loop between the device’s input and output terminals. This loop can be created by a number of factors, including high current levels, high voltage levels, and improper device design.
To prevent latch-up, semiconductor devices are typically designed with features that break the positive feedback loop. These features can include resistors, diodes, and capacitors. Latch-up can also be prevented by using proper operating conditions and by avoiding the use of devices that are known to be susceptible to latch-up.
A low impedance path is a path that allows current to flow easily. This is the opposite of a high impedance path, which is a path that resists the flow of current. In the context of latch-up, a low impedance path can allow current to flow from the device’s input to its output, even when the input signals are removed. This can cause the device to overheat and damage itself.
B, C, and D are incorrect because they do not describe the path that current takes during latch-up.