QUIZ Summary 19-09-2017

Quiz 18-09-2017

16th Quiz Q&As

Daily Quiz (Whatsapp) - 15-09-2017 : Questions and Answers

Q1.01
One Newton-meter per Coulomb is also called :
A. Volt ; B. Ampere ; C. Joule;  D. Farad

Q1.02
When Energy increases linearly with time, power is :
A. Increases;  B. Decreases;  C. Constant;  D. Exponential

Q1.03
What is the voltage drop between points A and B if it requires 30 Joules to move a 2 Coulomb charge from A to B  ?

A. 10V;   B. 12V;   C. 14V;   D. 15V

Q1.04
What is the power absorbed by an element when a current of -3A enters the negative terminal of the element and the voltage drop across the element is +5V ?
Please note : Polarity of the power is also important.

A. -20W;   B. -15W;   C. +15W;   D. +20W

Q1.05
A stove element draws 10 A when connected to a 110-V line. How long does it take to consume 60kJ ?

A. 54.5454 s;   B. 45.4545 s;   C. 44.4444 s;   D. 55.5555 s; 

Answer :   1.01: A  ;  1.02: C  ;  1.03: D  ;  1.04: C  ; 1.05: A

Daily Quiz Questions 01 to 15

How to Calculate RMS ,Average and Form Factor of an AC waveform ?

Dear Students,

Please check these short videos from youtube  that explain this very clearly.
Watch as many times as you want to and get the procedure clear in your mind.

How to calculate RMS and Average of AC waveform ?

Example 1 

Example 2

Example 3

Theory :

Problem Set 12 Node and Mesh Analysis - Level 02

Problem Set 11 : Instantaneous power, average power calculations

Home work