ISRO 2023 Quiz 37 Revision

A silicon n-MOSFET has W=10 μm and L = 1μm. The oxide thickness is 20 nm and the threshold voltage is 1V, the device is biased with a gate to source voltage of 3V and drain to source voltage of 5V. Assume that the mobility is 300 cm²/V_S. The MOSFET is biased in which region of operation?

The Fourier transform of signal te^–tu(t) is

With reference to "Refraction of light", which of the following statements is/are correct?

1. Incident Ray, Normal and Refracted Ray are all located in the same plane.

2. For any two mediums, the ratio of the sine of incidence angle and sine of the angle of refraction is a constant.

Select the correct answer using the codes given below:

If the standard deviation of spot speed of vehicles in a highway is 8.8 kmph and the mean speed of vehicle is 33 kmph, The coefficient of variation in speed is:

A ____________ is a networking device that filters network traffic while connecting multiple computers or communicating devices.