Electricity and circuit Question Answer Discussion

A question paper has 20 questions, the answer to each of which is either true or false. A student scores 3 marks for every correct answer and loses 2 marks for every incorrect answer. If a student scores 25 marks, find the number of questions he answered correctly and the questions he answered incorrectly.

In an electric circuit shown alongside, find current in resistor 1Omega

In an electric circuit shown alongside, find current in resistor 2Omega

In the electrical circuit shown, the instrumets are ideal . Determine their readins.

Name the wire in a household electrical circuit to which the switch is connected.

See the electrical circuit shown in this figure. Which of the following equations is the correct equation for it ?

The effective resistance between points P and Q of the electrical circuit shown in the figure is

What is an electric circuit ?

The effective resistance between points P and Q of the electrical circuit shown in the figure is :

Name the device used to protect the electric circuits from overloading and short circuits.