ISRO 2023 Quiz 52

A power supply having output resistance of 1.5 Ω supplies a full load current of 500 mA to a 50 Ω load. Determine the percentage voltage regulation of supply?

The integral equals to

A is an (m x n) matrix with m > n and I is identity matrix.

Let A₁ = (A^TA)^-1A^T, then which of the following statement is false?

One cycle of square wave signal observed on an oscilloscope is found to occupy 6 cm at a scale setting of 30 µsec/cm. what is the signal frequency?

There are two concentric circular tracks A and B of width 2 m each as shown in the figure. If r = 30m, what is the ratio of the areas of Track A to Track B?