Electric Current

Q.

Why do current flows from positive terminal to negative terminal but electrons flow from negative to positive terminal?

Q. In an electric circuit, the direction of flow of electrons is from ____ of the cell.

1. positive terminal to negative terminal
2. negative terminal to positive terminal
3. neutral to positive terminal
4. neutral to negative terminal

Q.

What Make Electric Charge To Flow In A Wire?

Q.

Llist 3 conditions for electric current to flow.

Q.

Electricity is not a form of energy.

1. False

2. True

Q. How did spread of electricity help farmers in Palampur?

Q. How does Electricity pass through wires?

Q.

Examples of some appliances which work without electricity.

Q.

Why does electric current travel from positive to negative terminal of a cell or battery?

Q. Which of the following options shows the correct direction of current flow in a circuit?

1. 
2. 
3. 
4. 

Q.

Question 1

Which of the following option shows the correct direction of current.

(a)

(b)

(c)

(d)

Q. Which of the following will generate electric current when kept in sunlight?

1. Dry cell
2. Car battery
3. Invertor battery
4. Solar cell

Q.

Identify the energy conversion taking place in the following device.

1. Light energy $\to$ Chemical energy

2. Heat energy $\to$ Electrical energy

3. Light energy $\to$ Electrical energy

4. Heat energy $\to$ Chemical energy

Q. Current can flow through an electric circuit even if the circuit is open.

1. True
2. False

Q.

The electric circuit consists of ___or____as its essential part.

Q. What is the direction of flow of electric current in an electric circuit?

Q. In a closed circuit, electric current flows from ________ terminal.

1. positive to negative
2. negative to positive
3. neutral to positive
4. negative to neutral

Q.

In the video it is said that the electrons goes and turns the turbine and comes back and again goes and comes back and so on.... But after some time the turbine stop after some hours as the battery gets over. Why does the battery gets over or stops working even through the electrons comes back?

Q. Why do bulbs have two terminals?

Q.

Electricity can be used?

Q.

An electric current is said to be flowing through a wire when:

1. Neutrons pass through it

2. Electric charges pass through it

3. No particle passes through it

4. Only tennis balls pass through it

Q. Lightning conductor is a device used to protect buildings from the effects of lightning.

1. False
2. True

Q. Choose the correct option:
Statement 1: The following figure correctly represents the conventional direction of flow of current.
Statement 2: The actual direction of flow of electrons is opposite to the conventional direction of flow of current.

1. Both statements are correct.
2. Statement 1 is correct and statement 2 is incorrect.
3. Statement 1 is incorrect and statement 2 is correct.
4. Both statements are incorrect.

Q.

Electricity is very essential for our day to day activities.

1. True

2. False

Q. In a closed circuit, electric current flows from ________ terminal.

1. positive to negative
2. negative to positive
3. neutral to positive
4. negative to neutral

Q.

Electrons are _____ particles.

1. neutral

2. positively charged

3. negatively charged

4. current

Q. Draw a circuit diagram to show flow of current through an electrical circuit with three cells, a switch, and an electric bulb.

Q.

​What will happen if the guy in our example, who picks up balls from below and puts it on top of the C-shaped tube, stops doing his job?

1. The balls will have no one to pick them up, the current will stop.

2. The current will be there even without him doing anything.

3. The balls will start going backwards.

4. None of these

Q. An electric fan converts electrical energy into ........ energy.

Q. In a closed circuit, electric current flows from ________ terminal.