GATE 2022 Toppers Weekly Quiz 2

Statement 1: Force due to electric field depends on the velocity of charge.

Statement 2: Force due to magnetic field cannot perform work on the charge.

Statement 1 and 2 are respectively

The 6 V zener diode is shown in fig. It has zero zener resistance and a knee current of 5 mA. The minimum value of R so that the voltage across it does not fall below 6V is

Consider the circuit shown in the figure.

Two specific purpose function are produced from the output of the above circuit. The minimum number of two input NOR gates required to implement both the function (f₁ and f₂) _______ .

Mr. Arun borrowed Rs. 6500 at 4% per annum compound interest. The compound interest compounded annually for 2 years is:

For the doping profile shown for n-type semiconductor. Calculate contact potential under thermal equilibrium.

Condition

(assume T = 300 K, ni = 10¹⁰ / cm³)

The rate at which a body cools is proportional to the difference between the temperature of the body and that of surrounding air. If the body cools from initial temperature of 100°C to 75°C in 1 minute, then temperature of the body after 5 minutes will be ________°C. (Assume the temperature of air surrounded is 25°C)

For the circuit shown in the following figure, transistor M₁ and M₂ are identical NMOS transistors. Assume the M₂ is in saturation and the output is unloaded.

The current I_x is related to I_bias as