MCQs

Time period of a sine wave is 1/60 s. Its frequency is: 30 Hz 60 Hz 0.033 Hz 0.016 Hz Correct answer: 2. 60 Hz

The form factor is defined as a ratio of: R.M.S value to peak value Peak value to R.M.S Value R.M.S Value to average value Average value to R.M.S Value Correct answer: 3. R.M.S Value to average value

Time period of a wave is defined as: Also known as frequency Time required to complete 60 cycles Often expressed in hertz Time required to complete 1 cycle Correct answer: 4. Time required to complete 1 cycle

The angular frequency of a sinusoidal wave having 60 Hz frequency measured in radian/second is: 240 π 120 π 60 π 30 π Correct answer: 2. 120 π

A sinusoidal wave has 50 Hz frequency. Its angular frequency in radian/second is: 200 π 100 π 50 π 25 π Correct answer: 2. 100 π

Kirchhoff’s Voltage Law is applied to: Node Loop Correct answer: 2. Loop

Kirchhoff’s current law is applied to: Node Loop Correct answer: 1. Node

Kirchhoff’s voltage law states that: Algebraic sum of voltage rise and drops in a closed loop is positive Algebraic sum of voltage rise and drops in a closed loop is negative Algebraic sum of voltage rise and drops in a closed loop is zero Any of above Correct answer: 3. Algebraic sum of currents at … Read more

Kirchhoff’s current law states that: Algebraic sum of currents at node is positive Algebraic sum of currents at node is negative Algebraic sum of currents at node is zero Any of above Correct answer: 3. Algebraic sum of currents at node is zero

Two resistances R1 and R2 are connected in parallel, the equivalent resistance Req will be given by the relation: Req = R1 + R2 Req = 1/(R1 + R2) Req = 1/(1/R1 + 1/R2) Req = R1/R2 Correct answer: 3. Req = 1/(1/R1 + 1/R2)